128277240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:742

約数の個数: 256

約数和(自身を含む): 502225920

約数和(自身を除く): 373948680

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, 156, 168, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 280, 312, 340, 357, 364, 390, 408, 420, 442, 455, 476, 510, 520, 546, 595, 663, 680, 691, 714, 728, 780, 840, 884, 910, 952, 1020, 1092, 1105, 1190, 1326, 1365, 1382, 1428, 1547, 1560, 1768, 1785, 1820, 2040, 2073, 2184, 2210, 2380, 2652, 2730, 2764, 2856, 3094, 3315, 3455, 3570, 3640, 4146, 4420, 4641, 4760, 4837, 5304, 5460, 5528, 6188, 6630, 6910, 7140, 7735, 8292, 8840, 8983, 9282, 9674, 10365, 10920, 11747, 12376, 13260, 13820, 14280, 14511, 15470, 16584, 17966, 18564, 19348, 20730, 23205, 23494, 24185, 26520, 26949, 27640, 29022, 30940, 35241, 35932, 37128, 38696, 41460, 44915, 46410, 46988, 48370, 53898, 58044, 58735, 61880, 62881, 70482, 71864, 72555, 82229, 82920, 89830, 92820, 93976, 96740, 107796, 116088, 117470, 125762, 134745, 140964, 145110, 152711, 164458, 176205, 179660, 185640, 188643, 193480, 215592, 234940, 246687, 251524, 269490, 281928, 290220, 305422, 314405, 328916, 352410, 359320, 377286, 411145, 458133, 469880, 493374, 503048, 538980, 580440, 610844, 628810, 657832, 704820, 754572, 763555, 822290, 916266, 943215, 986748, 1068977, 1077960, 1221688, 1233435, 1257620, 1409640, 1509144, 1527110, 1644580, 1832532, 1886430, 1973496, 2137954, 2290665, 2466870, 2515240, 3054220, 3206931, 3289160, 3665064, 3772860, 4275908, 4581330, 4933740, 5344885, 6108440, 6413862, 7545720, 8551816, 9162660, 9867480, 10689770, 12827724, 16034655, 18325320, 21379540, 25655448, 32069310, 42759080, 64138620, 128277240]

約数ペア:

[(1, 128277240), (2, 64138620), (3, 42759080), (4, 32069310), (5, 25655448), (6, 21379540), (7, 18325320), (8, 16034655), (10, 12827724), (12, 10689770), (13, 9867480), (14, 9162660), (15, 8551816), (17, 7545720), (20, 6413862), (21, 6108440), (24, 5344885), (26, 4933740), (28, 4581330), (30, 4275908), (34, 3772860), (35, 3665064), (39, 3289160), (40, 3206931), (42, 3054220), (51, 2515240), (52, 2466870), (56, 2290665), (60, 2137954), (65, 1973496), (68, 1886430), (70, 1832532), (78, 1644580), (84, 1527110), (85, 1509144), (91, 1409640), (102, 1257620), (104, 1233435), (105, 1221688), (119, 1077960), (120, 1068977), (130, 986748), (136, 943215), (140, 916266), (156, 822290), (168, 763555), (170, 754572), (182, 704820), (195, 657832), (204, 628810), (210, 610844), (221, 580440), (238, 538980), (255, 503048), (260, 493374), (273, 469880), (280, 458133), (312, 411145), (340, 377286), (357, 359320), (364, 352410), (390, 328916), (408, 314405), (420, 305422), (442, 290220), (455, 281928), (476, 269490), (510, 251524), (520, 246687), (546, 234940), (595, 215592), (663, 193480), (680, 188643), (691, 185640), (714, 179660), (728, 176205), (780, 164458), (840, 152711), (884, 145110), (910, 140964), (952, 134745), (1020, 125762), (1092, 117470), (1105, 116088), (1190, 107796), (1326, 96740), (1365, 93976), (1382, 92820), (1428, 89830), (1547, 82920), (1560, 82229), (1768, 72555), (1785, 71864), (1820, 70482), (2040, 62881), (2073, 61880), (2184, 58735), (2210, 58044), (2380, 53898), (2652, 48370), (2730, 46988), (2764, 46410), (2856, 44915), (3094, 41460), (3315, 38696), (3455, 37128), (3570, 35932), (3640, 35241), (4146, 30940), (4420, 29022), (4641, 27640), (4760, 26949), (4837, 26520), (5304, 24185), (5460, 23494), (5528, 23205), (6188, 20730), (6630, 19348), (6910, 18564), (7140, 17966), (7735, 16584), (8292, 15470), (8840, 14511), (8983, 14280), (9282, 13820), (9674, 13260), (10365, 12376), (10920, 11747)]