12857777620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{983}}^1$

素因数の和:1130

約数の個数: 144

約数和(自身を含む): 30044464128

約数和(自身を除く): 17186686508

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 73, 85, 124, 146, 155, 170, 289, 292, 310, 340, 365, 527, 578, 620, 730, 983, 1054, 1156, 1241, 1445, 1460, 1966, 2108, 2263, 2482, 2635, 2890, 3932, 4526, 4915, 4964, 5270, 5780, 6205, 8959, 9052, 9830, 10540, 11315, 12410, 16711, 17918, 19660, 21097, 22630, 24820, 30473, 33422, 35836, 38471, 42194, 44795, 45260, 60946, 66844, 71759, 76942, 83555, 84388, 89590, 105485, 121892, 143518, 152365, 153884, 167110, 179180, 192355, 210970, 284087, 287036, 304730, 334220, 358795, 384710, 421940, 518041, 568174, 609460, 654007, 717590, 769420, 1036082, 1136348, 1219903, 1308014, 1420435, 1435180, 2072164, 2224529, 2439806, 2590205, 2616028, 2840870, 3270035, 4449058, 4879612, 5180410, 5681740, 6099515, 6540070, 8806697, 8898116, 10360820, 11122645, 12199030, 13080140, 17613394, 20738351, 22245290, 24398060, 35226788, 37816993, 41476702, 44033485, 44490580, 75633986, 82953404, 88066970, 103691755, 151267972, 176133940, 189084965, 207383510, 378169930, 414767020, 642888881, 756339860, 1285777762, 2571555524, 3214444405, 6428888810, 12857777620]

約数ペア:

[(1, 12857777620), (2, 6428888810), (4, 3214444405), (5, 2571555524), (10, 1285777762), (17, 756339860), (20, 642888881), (31, 414767020), (34, 378169930), (62, 207383510), (68, 189084965), (73, 176133940), (85, 151267972), (124, 103691755), (146, 88066970), (155, 82953404), (170, 75633986), (289, 44490580), (292, 44033485), (310, 41476702), (340, 37816993), (365, 35226788), (527, 24398060), (578, 22245290), (620, 20738351), (730, 17613394), (983, 13080140), (1054, 12199030), (1156, 11122645), (1241, 10360820), (1445, 8898116), (1460, 8806697), (1966, 6540070), (2108, 6099515), (2263, 5681740), (2482, 5180410), (2635, 4879612), (2890, 4449058), (3932, 3270035), (4526, 2840870), (4915, 2616028), (4964, 2590205), (5270, 2439806), (5780, 2224529), (6205, 2072164), (8959, 1435180), (9052, 1420435), (9830, 1308014), (10540, 1219903), (11315, 1136348), (12410, 1036082), (16711, 769420), (17918, 717590), (19660, 654007), (21097, 609460), (22630, 568174), (24820, 518041), (30473, 421940), (33422, 384710), (35836, 358795), (38471, 334220), (42194, 304730), (44795, 287036), (45260, 284087), (60946, 210970), (66844, 192355), (71759, 179180), (76942, 167110), (83555, 153884), (84388, 152365), (89590, 143518), (105485, 121892)]