28031640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:202

約数の個数: 256

約数和(自身を含む): 110315520

約数和(自身を除く): 82283880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 17, 20, 21, 24, 26, 28, 30, 34, 35, 39, 40, 42, 51, 52, 56, 60, 65, 68, 70, 78, 84, 85, 91, 102, 104, 105, 119, 120, 130, 136, 140, 151, 156, 168, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 280, 302, 312, 340, 357, 364, 390, 408, 420, 442, 453, 455, 476, 510, 520, 546, 595, 604, 663, 680, 714, 728, 755, 780, 840, 884, 906, 910, 952, 1020, 1057, 1092, 1105, 1190, 1208, 1326, 1365, 1428, 1510, 1547, 1560, 1768, 1785, 1812, 1820, 1963, 2040, 2114, 2184, 2210, 2265, 2380, 2567, 2652, 2730, 2856, 3020, 3094, 3171, 3315, 3570, 3624, 3640, 3926, 4228, 4420, 4530, 4641, 4760, 5134, 5285, 5304, 5460, 5889, 6040, 6188, 6342, 6630, 7140, 7701, 7735, 7852, 8456, 8840, 9060, 9282, 9815, 10268, 10570, 10920, 11778, 12376, 12684, 12835, 13260, 13741, 14280, 15402, 15470, 15704, 15855, 17969, 18120, 18564, 19630, 20536, 21140, 23205, 23556, 25368, 25670, 26520, 27482, 29445, 30804, 30940, 31710, 33371, 35938, 37128, 38505, 39260, 41223, 42280, 46410, 47112, 51340, 53907, 54964, 58890, 61608, 61880, 63420, 66742, 68705, 71876, 77010, 78520, 82446, 89845, 92820, 100113, 102680, 107814, 109928, 117780, 126840, 133484, 137410, 143752, 154020, 164892, 166855, 179690, 185640, 200226, 206115, 215628, 233597, 235560, 266968, 269535, 274820, 308040, 329784, 333710, 359380, 400452, 412230, 431256, 467194, 500565, 539070, 549640, 667420, 700791, 718760, 800904, 824460, 934388, 1001130, 1078140, 1167985, 1334840, 1401582, 1648920, 1868776, 2002260, 2156280, 2335970, 2803164, 3503955, 4004520, 4671940, 5606328, 7007910, 9343880, 14015820, 28031640]

約数ペア:

[(1, 28031640), (2, 14015820), (3, 9343880), (4, 7007910), (5, 5606328), (6, 4671940), (7, 4004520), (8, 3503955), (10, 2803164), (12, 2335970), (13, 2156280), (14, 2002260), (15, 1868776), (17, 1648920), (20, 1401582), (21, 1334840), (24, 1167985), (26, 1078140), (28, 1001130), (30, 934388), (34, 824460), (35, 800904), (39, 718760), (40, 700791), (42, 667420), (51, 549640), (52, 539070), (56, 500565), (60, 467194), (65, 431256), (68, 412230), (70, 400452), (78, 359380), (84, 333710), (85, 329784), (91, 308040), (102, 274820), (104, 269535), (105, 266968), (119, 235560), (120, 233597), (130, 215628), (136, 206115), (140, 200226), (151, 185640), (156, 179690), (168, 166855), (170, 164892), (182, 154020), (195, 143752), (204, 137410), (210, 133484), (221, 126840), (238, 117780), (255, 109928), (260, 107814), (273, 102680), (280, 100113), (302, 92820), (312, 89845), (340, 82446), (357, 78520), (364, 77010), (390, 71876), (408, 68705), (420, 66742), (442, 63420), (453, 61880), (455, 61608), (476, 58890), (510, 54964), (520, 53907), (546, 51340), (595, 47112), (604, 46410), (663, 42280), (680, 41223), (714, 39260), (728, 38505), (755, 37128), (780, 35938), (840, 33371), (884, 31710), (906, 30940), (910, 30804), (952, 29445), (1020, 27482), (1057, 26520), (1092, 25670), (1105, 25368), (1190, 23556), (1208, 23205), (1326, 21140), (1365, 20536), (1428, 19630), (1510, 18564), (1547, 18120), (1560, 17969), (1768, 15855), (1785, 15704), (1812, 15470), (1820, 15402), (1963, 14280), (2040, 13741), (2114, 13260), (2184, 12835), (2210, 12684), (2265, 12376), (2380, 11778), (2567, 10920), (2652, 10570), (2730, 10268), (2856, 9815), (3020, 9282), (3094, 9060), (3171, 8840), (3315, 8456), (3570, 7852), (3624, 7735), (3640, 7701), (3926, 7140), (4228, 6630), (4420, 6342), (4530, 6188), (4641, 6040), (4760, 5889), (5134, 5460), (5285, 5304)]