81300240

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:331

約数の個数: 320

約数和(自身を含む): 338073600

約数和(自身を除く): 256773360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 266, 270, 280, 283, 285, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 456, 504, 513, 532, 540, 560, 566, 570, 630, 665, 684, 720, 756, 760, 798, 840, 849, 855, 912, 945, 1008, 1026, 1064, 1080, 1132, 1140, 1197, 1260, 1330, 1368, 1415, 1512, 1520, 1596, 1680, 1698, 1710, 1890, 1981, 1995, 2052, 2128, 2160, 2264, 2280, 2394, 2520, 2547, 2565, 2660, 2736, 2830, 3024, 3192, 3396, 3420, 3591, 3780, 3962, 3990, 4104, 4245, 4528, 4560, 4788, 5040, 5094, 5130, 5320, 5377, 5660, 5943, 5985, 6384, 6792, 6840, 7182, 7560, 7641, 7924, 7980, 8208, 8490, 9576, 9905, 10188, 10260, 10640, 10754, 11320, 11886, 11970, 12735, 13584, 13680, 14364, 15120, 15282, 15848, 15960, 16131, 16980, 17829, 17955, 19152, 19810, 20376, 20520, 21508, 22640, 23772, 23940, 25470, 26885, 28728, 29715, 30564, 31696, 31920, 32262, 33960, 35658, 35910, 37639, 38205, 39620, 40752, 41040, 43016, 47544, 47880, 48393, 50940, 53487, 53770, 57456, 59430, 61128, 64524, 67920, 71316, 71820, 75278, 76410, 79240, 80655, 86032, 89145, 95088, 95760, 96786, 101880, 106974, 107540, 112917, 118860, 122256, 129048, 142632, 143640, 145179, 150556, 152820, 158480, 161310, 178290, 188195, 193572, 203760, 213948, 215080, 225834, 237720, 241965, 258096, 267435, 285264, 287280, 290358, 301112, 305640, 322620, 338751, 356580, 376390, 387144, 427896, 430160, 451668, 475440, 483930, 534870, 564585, 580716, 602224, 611280, 645240, 677502, 713160, 725895, 752780, 774288, 855792, 903336, 967860, 1016253, 1069740, 1129170, 1161432, 1290480, 1355004, 1426320, 1451790, 1505560, 1693755, 1806672, 1935720, 2032506, 2139480, 2258340, 2322864, 2710008, 2903580, 3011120, 3387510, 3871440, 4065012, 4278960, 4516680, 5081265, 5420016, 5807160, 6775020, 8130024, 9033360, 10162530, 11614320, 13550040, 16260048, 20325060, 27100080, 40650120, 81300240]

約数ペア:

[(1, 81300240), (2, 40650120), (3, 27100080), (4, 20325060), (5, 16260048), (6, 13550040), (7, 11614320), (8, 10162530), (9, 9033360), (10, 8130024), (12, 6775020), (14, 5807160), (15, 5420016), (16, 5081265), (18, 4516680), (19, 4278960), (20, 4065012), (21, 3871440), (24, 3387510), (27, 3011120), (28, 2903580), (30, 2710008), (35, 2322864), (36, 2258340), (38, 2139480), (40, 2032506), (42, 1935720), (45, 1806672), (48, 1693755), (54, 1505560), (56, 1451790), (57, 1426320), (60, 1355004), (63, 1290480), (70, 1161432), (72, 1129170), (76, 1069740), (80, 1016253), (84, 967860), (90, 903336), (95, 855792), (105, 774288), (108, 752780), (112, 725895), (114, 713160), (120, 677502), (126, 645240), (133, 611280), (135, 602224), (140, 580716), (144, 564585), (152, 534870), (168, 483930), (171, 475440), (180, 451668), (189, 430160), (190, 427896), (210, 387144), (216, 376390), (228, 356580), (240, 338751), (252, 322620), (266, 305640), (270, 301112), (280, 290358), (283, 287280), (285, 285264), (304, 267435), (315, 258096), (336, 241965), (342, 237720), (360, 225834), (378, 215080), (380, 213948), (399, 203760), (420, 193572), (432, 188195), (456, 178290), (504, 161310), (513, 158480), (532, 152820), (540, 150556), (560, 145179), (566, 143640), (570, 142632), (630, 129048), (665, 122256), (684, 118860), (720, 112917), (756, 107540), (760, 106974), (798, 101880), (840, 96786), (849, 95760), (855, 95088), (912, 89145), (945, 86032), (1008, 80655), (1026, 79240), (1064, 76410), (1080, 75278), (1132, 71820), (1140, 71316), (1197, 67920), (1260, 64524), (1330, 61128), (1368, 59430), (1415, 57456), (1512, 53770), (1520, 53487), (1596, 50940), (1680, 48393), (1698, 47880), (1710, 47544), (1890, 43016), (1981, 41040), (1995, 40752), (2052, 39620), (2128, 38205), (2160, 37639), (2264, 35910), (2280, 35658), (2394, 33960), (2520, 32262), (2547, 31920), (2565, 31696), (2660, 30564), (2736, 29715), (2830, 28728), (3024, 26885), (3192, 25470), (3396, 23940), (3420, 23772), (3591, 22640), (3780, 21508), (3962, 20520), (3990, 20376), (4104, 19810), (4245, 19152), (4528, 17955), (4560, 17829), (4788, 16980), (5040, 16131), (5094, 15960), (5130, 15848), (5320, 15282), (5377, 15120), (5660, 14364), (5943, 13680), (5985, 13584), (6384, 12735), (6792, 11970), (6840, 11886), (7182, 11320), (7560, 10754), (7641, 10640), (7924, 10260), (7980, 10188), (8208, 9905), (8490, 9576)]