639280080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 320

約数和(自身を含む): 2386156800

約数和(自身を除く): 1746876720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 37, 38, 40, 45, 48, 54, 57, 60, 72, 74, 76, 80, 90, 95, 108, 111, 114, 120, 135, 144, 148, 152, 171, 180, 185, 190, 216, 222, 228, 240, 270, 285, 296, 304, 333, 342, 360, 370, 380, 421, 432, 444, 456, 513, 540, 555, 570, 592, 666, 684, 703, 720, 740, 760, 842, 855, 888, 912, 999, 1026, 1080, 1110, 1140, 1263, 1332, 1368, 1406, 1480, 1520, 1665, 1684, 1710, 1776, 1998, 2052, 2105, 2109, 2160, 2220, 2280, 2526, 2565, 2664, 2736, 2812, 2960, 3330, 3368, 3420, 3515, 3789, 3996, 4104, 4210, 4218, 4440, 4560, 4995, 5052, 5130, 5328, 5624, 6315, 6327, 6660, 6736, 6840, 7030, 7578, 7992, 7999, 8208, 8420, 8436, 8880, 9990, 10104, 10260, 10545, 11248, 11367, 12630, 12654, 13320, 13680, 14060, 15156, 15577, 15984, 15998, 16840, 16872, 18945, 18981, 19980, 20208, 20520, 21090, 22734, 23997, 25260, 25308, 26640, 28120, 30312, 31154, 31635, 31996, 33680, 33744, 37890, 37962, 39960, 39995, 41040, 42180, 45468, 46731, 47994, 50520, 50616, 56240, 56835, 60624, 62308, 63270, 63992, 71991, 75780, 75924, 77885, 79920, 79990, 84360, 90936, 93462, 94905, 95988, 101040, 101232, 113670, 119985, 124616, 126540, 127984, 140193, 143982, 151560, 151848, 155770, 159980, 168720, 181872, 186924, 189810, 191976, 215973, 227340, 233655, 239970, 249232, 253080, 280386, 287964, 295963, 303120, 303696, 311540, 319960, 359955, 373848, 379620, 383952, 420579, 431946, 454680, 467310, 479940, 506160, 560772, 575928, 591926, 623080, 639920, 700965, 719910, 747696, 759240, 841158, 863892, 887889, 909360, 934620, 959880, 1079865, 1121544, 1151856, 1183852, 1246160, 1401930, 1439820, 1479815, 1518480, 1682316, 1727784, 1775778, 1869240, 1919760, 2102895, 2159730, 2243088, 2367704, 2663667, 2803860, 2879640, 2959630, 3364632, 3455568, 3551556, 3738480, 4205790, 4319460, 4439445, 4735408, 5327334, 5607720, 5759280, 5919260, 6729264, 7103112, 7991001, 8411580, 8638920, 8878890, 10654668, 11215440, 11838520, 13318335, 14206224, 15982002, 16823160, 17277840, 17757780, 21309336, 23677040, 26636670, 31964004, 33646320, 35515560, 39955005, 42618672, 53273340, 63928008, 71031120, 79910010, 106546680, 127856016, 159820020, 213093360, 319640040, 639280080]

約数ペア:

[(1, 639280080), (2, 319640040), (3, 213093360), (4, 159820020), (5, 127856016), (6, 106546680), (8, 79910010), (9, 71031120), (10, 63928008), (12, 53273340), (15, 42618672), (16, 39955005), (18, 35515560), (19, 33646320), (20, 31964004), (24, 26636670), (27, 23677040), (30, 21309336), (36, 17757780), (37, 17277840), (38, 16823160), (40, 15982002), (45, 14206224), (48, 13318335), (54, 11838520), (57, 11215440), (60, 10654668), (72, 8878890), (74, 8638920), (76, 8411580), (80, 7991001), (90, 7103112), (95, 6729264), (108, 5919260), (111, 5759280), (114, 5607720), (120, 5327334), (135, 4735408), (144, 4439445), (148, 4319460), (152, 4205790), (171, 3738480), (180, 3551556), (185, 3455568), (190, 3364632), (216, 2959630), (222, 2879640), (228, 2803860), (240, 2663667), (270, 2367704), (285, 2243088), (296, 2159730), (304, 2102895), (333, 1919760), (342, 1869240), (360, 1775778), (370, 1727784), (380, 1682316), (421, 1518480), (432, 1479815), (444, 1439820), (456, 1401930), (513, 1246160), (540, 1183852), (555, 1151856), (570, 1121544), (592, 1079865), (666, 959880), (684, 934620), (703, 909360), (720, 887889), (740, 863892), (760, 841158), (842, 759240), (855, 747696), (888, 719910), (912, 700965), (999, 639920), (1026, 623080), (1080, 591926), (1110, 575928), (1140, 560772), (1263, 506160), (1332, 479940), (1368, 467310), (1406, 454680), (1480, 431946), (1520, 420579), (1665, 383952), (1684, 379620), (1710, 373848), (1776, 359955), (1998, 319960), (2052, 311540), (2105, 303696), (2109, 303120), (2160, 295963), (2220, 287964), (2280, 280386), (2526, 253080), (2565, 249232), (2664, 239970), (2736, 233655), (2812, 227340), (2960, 215973), (3330, 191976), (3368, 189810), (3420, 186924), (3515, 181872), (3789, 168720), (3996, 159980), (4104, 155770), (4210, 151848), (4218, 151560), (4440, 143982), (4560, 140193), (4995, 127984), (5052, 126540), (5130, 124616), (5328, 119985), (5624, 113670), (6315, 101232), (6327, 101040), (6660, 95988), (6736, 94905), (6840, 93462), (7030, 90936), (7578, 84360), (7992, 79990), (7999, 79920), (8208, 77885), (8420, 75924), (8436, 75780), (8880, 71991), (9990, 63992), (10104, 63270), (10260, 62308), (10545, 60624), (11248, 56835), (11367, 56240), (12630, 50616), (12654, 50520), (13320, 47994), (13680, 46731), (14060, 45468), (15156, 42180), (15577, 41040), (15984, 39995), (15998, 39960), (16840, 37962), (16872, 37890), (18945, 33744), (18981, 33680), (19980, 31996), (20208, 31635), (20520, 31154), (21090, 30312), (22734, 28120), (23997, 26640), (25260, 25308)]