1290591640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^2$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 3431937600

約数和(自身を除く): 2141345960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 29, 40, 46, 52, 58, 61, 65, 92, 104, 115, 116, 122, 130, 145, 184, 230, 232, 244, 260, 290, 299, 305, 377, 460, 488, 520, 580, 598, 610, 667, 754, 793, 920, 1160, 1196, 1220, 1334, 1403, 1495, 1508, 1586, 1769, 1885, 2392, 2440, 2668, 2806, 2990, 3016, 3172, 3335, 3538, 3721, 3770, 3965, 5336, 5612, 5980, 6344, 6670, 7015, 7076, 7442, 7540, 7930, 8671, 8845, 11224, 11960, 13340, 14030, 14152, 14884, 15080, 15860, 17342, 17690, 18239, 18605, 22997, 26680, 28060, 29768, 31720, 34684, 35380, 36478, 37210, 40687, 43355, 45994, 48373, 56120, 69368, 70760, 72956, 74420, 81374, 85583, 86710, 91195, 91988, 96746, 107909, 114985, 145912, 148840, 162748, 171166, 173420, 182390, 183976, 193492, 203435, 215818, 229970, 241865, 325496, 342332, 346840, 364780, 386984, 406870, 427915, 431636, 459940, 483730, 528931, 539545, 684664, 729560, 813740, 855830, 863272, 919880, 967460, 1057862, 1079090, 1112579, 1402817, 1627480, 1711660, 1934920, 2115724, 2158180, 2225158, 2481907, 2644655, 2805634, 3423320, 4231448, 4316360, 4450316, 4963814, 5289310, 5562895, 5611268, 7014085, 8900632, 9927628, 10578620, 11125790, 11222536, 12409535, 14028170, 19855256, 21157240, 22251580, 24819070, 28056340, 32264791, 44503160, 49638140, 56112680, 64529582, 99276280, 129059164, 161323955, 258118328, 322647910, 645295820, 1290591640]

約数ペア:

[(1, 1290591640), (2, 645295820), (4, 322647910), (5, 258118328), (8, 161323955), (10, 129059164), (13, 99276280), (20, 64529582), (23, 56112680), (26, 49638140), (29, 44503160), (40, 32264791), (46, 28056340), (52, 24819070), (58, 22251580), (61, 21157240), (65, 19855256), (92, 14028170), (104, 12409535), (115, 11222536), (116, 11125790), (122, 10578620), (130, 9927628), (145, 8900632), (184, 7014085), (230, 5611268), (232, 5562895), (244, 5289310), (260, 4963814), (290, 4450316), (299, 4316360), (305, 4231448), (377, 3423320), (460, 2805634), (488, 2644655), (520, 2481907), (580, 2225158), (598, 2158180), (610, 2115724), (667, 1934920), (754, 1711660), (793, 1627480), (920, 1402817), (1160, 1112579), (1196, 1079090), (1220, 1057862), (1334, 967460), (1403, 919880), (1495, 863272), (1508, 855830), (1586, 813740), (1769, 729560), (1885, 684664), (2392, 539545), (2440, 528931), (2668, 483730), (2806, 459940), (2990, 431636), (3016, 427915), (3172, 406870), (3335, 386984), (3538, 364780), (3721, 346840), (3770, 342332), (3965, 325496), (5336, 241865), (5612, 229970), (5980, 215818), (6344, 203435), (6670, 193492), (7015, 183976), (7076, 182390), (7442, 173420), (7540, 171166), (7930, 162748), (8671, 148840), (8845, 145912), (11224, 114985), (11960, 107909), (13340, 96746), (14030, 91988), (14152, 91195), (14884, 86710), (15080, 85583), (15860, 81374), (17342, 74420), (17690, 72956), (18239, 70760), (18605, 69368), (22997, 56120), (26680, 48373), (28060, 45994), (29768, 43355), (31720, 40687), (34684, 37210), (35380, 36478)]