642436920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:316

約数の個数: 320

約数和(自身を含む): 2324013120

約数和(自身を除く): 1681576200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 37, 40, 45, 46, 54, 60, 69, 72, 74, 81, 90, 92, 108, 111, 115, 120, 135, 138, 148, 162, 180, 184, 185, 207, 216, 222, 230, 233, 270, 276, 296, 324, 333, 345, 360, 370, 405, 414, 444, 460, 466, 540, 552, 555, 621, 648, 666, 690, 699, 740, 810, 828, 851, 888, 920, 932, 999, 1035, 1080, 1110, 1165, 1242, 1332, 1380, 1398, 1480, 1620, 1656, 1665, 1702, 1863, 1864, 1998, 2070, 2097, 2220, 2330, 2484, 2553, 2664, 2760, 2796, 2997, 3105, 3240, 3330, 3404, 3495, 3726, 3996, 4140, 4194, 4255, 4440, 4660, 4968, 4995, 5106, 5359, 5592, 5994, 6210, 6291, 6660, 6808, 6990, 7452, 7659, 7992, 8280, 8388, 8510, 8621, 9315, 9320, 9990, 10212, 10485, 10718, 11988, 12420, 12582, 12765, 13320, 13980, 14904, 14985, 15318, 16077, 16776, 17020, 17242, 18630, 18873, 19980, 20424, 20970, 21436, 22977, 23976, 24840, 25164, 25530, 25863, 26795, 27960, 29970, 30636, 31455, 32154, 34040, 34484, 37260, 37746, 38295, 39960, 41940, 42872, 43105, 45954, 48231, 50328, 51060, 51726, 53590, 59940, 61272, 62910, 64308, 68931, 68968, 74520, 75492, 76590, 77589, 80385, 83880, 86210, 91908, 94365, 96462, 102120, 103452, 107180, 114885, 119880, 125820, 128616, 129315, 137862, 144693, 150984, 153180, 155178, 160770, 172420, 183816, 188730, 192924, 198283, 206904, 214360, 229770, 232767, 241155, 251640, 258630, 275724, 289386, 306360, 310356, 321540, 344655, 344840, 377460, 385848, 387945, 396566, 434079, 459540, 465534, 482310, 517260, 551448, 578772, 594849, 620712, 643080, 689310, 698301, 723465, 754920, 775890, 793132, 868158, 919080, 931068, 964620, 991415, 1034520, 1157544, 1163835, 1189698, 1378620, 1396602, 1446930, 1551780, 1586264, 1736316, 1784547, 1862136, 1929240, 1982830, 2170395, 2327670, 2379396, 2757240, 2793204, 2893860, 2974245, 3103560, 3472632, 3491505, 3569094, 3965660, 4340790, 4655340, 4758792, 5353641, 5586408, 5787720, 5948490, 6983010, 7138188, 7931320, 8681580, 8922735, 9310680, 10707282, 11896980, 13966020, 14276376, 16060923, 17363160, 17845470, 21414564, 23793960, 26768205, 27932040, 32121846, 35690940, 42829128, 53536410, 64243692, 71381880, 80304615, 107072820, 128487384, 160609230, 214145640, 321218460, 642436920]

約数ペア:

[(1, 642436920), (2, 321218460), (3, 214145640), (4, 160609230), (5, 128487384), (6, 107072820), (8, 80304615), (9, 71381880), (10, 64243692), (12, 53536410), (15, 42829128), (18, 35690940), (20, 32121846), (23, 27932040), (24, 26768205), (27, 23793960), (30, 21414564), (36, 17845470), (37, 17363160), (40, 16060923), (45, 14276376), (46, 13966020), (54, 11896980), (60, 10707282), (69, 9310680), (72, 8922735), (74, 8681580), (81, 7931320), (90, 7138188), (92, 6983010), (108, 5948490), (111, 5787720), (115, 5586408), (120, 5353641), (135, 4758792), (138, 4655340), (148, 4340790), (162, 3965660), (180, 3569094), (184, 3491505), (185, 3472632), (207, 3103560), (216, 2974245), (222, 2893860), (230, 2793204), (233, 2757240), (270, 2379396), (276, 2327670), (296, 2170395), (324, 1982830), (333, 1929240), (345, 1862136), (360, 1784547), (370, 1736316), (405, 1586264), (414, 1551780), (444, 1446930), (460, 1396602), (466, 1378620), (540, 1189698), (552, 1163835), (555, 1157544), (621, 1034520), (648, 991415), (666, 964620), (690, 931068), (699, 919080), (740, 868158), (810, 793132), (828, 775890), (851, 754920), (888, 723465), (920, 698301), (932, 689310), (999, 643080), (1035, 620712), (1080, 594849), (1110, 578772), (1165, 551448), (1242, 517260), (1332, 482310), (1380, 465534), (1398, 459540), (1480, 434079), (1620, 396566), (1656, 387945), (1665, 385848), (1702, 377460), (1863, 344840), (1864, 344655), (1998, 321540), (2070, 310356), (2097, 306360), (2220, 289386), (2330, 275724), (2484, 258630), (2553, 251640), (2664, 241155), (2760, 232767), (2796, 229770), (2997, 214360), (3105, 206904), (3240, 198283), (3330, 192924), (3404, 188730), (3495, 183816), (3726, 172420), (3996, 160770), (4140, 155178), (4194, 153180), (4255, 150984), (4440, 144693), (4660, 137862), (4968, 129315), (4995, 128616), (5106, 125820), (5359, 119880), (5592, 114885), (5994, 107180), (6210, 103452), (6291, 102120), (6660, 96462), (6808, 94365), (6990, 91908), (7452, 86210), (7659, 83880), (7992, 80385), (8280, 77589), (8388, 76590), (8510, 75492), (8621, 74520), (9315, 68968), (9320, 68931), (9990, 64308), (10212, 62910), (10485, 61272), (10718, 59940), (11988, 53590), (12420, 51726), (12582, 51060), (12765, 50328), (13320, 48231), (13980, 45954), (14904, 43105), (14985, 42872), (15318, 41940), (16077, 39960), (16776, 38295), (17020, 37746), (17242, 37260), (18630, 34484), (18873, 34040), (19980, 32154), (20424, 31455), (20970, 30636), (21436, 29970), (22977, 27960), (23976, 26795), (24840, 25863), (25164, 25530)]