256947156760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1\times {\mathrm{14419}}^1$

素因数の和:16521

約数の個数: 128

約数和(自身を含む): 682414387200

約数和(自身を除く): 425467230440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2053, 2170, 4106, 4340, 8212, 8680, 10265, 14371, 14419, 16424, 20530, 28742, 28838, 41060, 57484, 57676, 63643, 71855, 72095, 82120, 100933, 114968, 115352, 127286, 143710, 144190, 201866, 254572, 287420, 288380, 318215, 403732, 445501, 446989, 504665, 509144, 574840, 576760, 636430, 807464, 891002, 893978, 1009330, 1272860, 1782004, 1787956, 2018660, 2227505, 2234945, 2545720, 3128923, 3564008, 3575912, 4037320, 4455010, 4469890, 6257846, 8910020, 8939780, 12515692, 15644615, 17820040, 17879560, 25031384, 29602207, 31289230, 59204414, 62578460, 118408828, 125156920, 148011035, 207215449, 236817656, 296022070, 414430898, 592044140, 828861796, 917668417, 1036077245, 1184088280, 1657723592, 1835336834, 2072154490, 3670673668, 4144308980, 4588342085, 6423678919, 7341347336, 8288617960, 9176684170, 12847357838, 18353368340, 25694715676, 32118394595, 36706736680, 51389431352, 64236789190, 128473578380, 256947156760]

約数ペア:

[(1, 256947156760), (2, 128473578380), (4, 64236789190), (5, 51389431352), (7, 36706736680), (8, 32118394595), (10, 25694715676), (14, 18353368340), (20, 12847357838), (28, 9176684170), (31, 8288617960), (35, 7341347336), (40, 6423678919), (56, 4588342085), (62, 4144308980), (70, 3670673668), (124, 2072154490), (140, 1835336834), (155, 1657723592), (217, 1184088280), (248, 1036077245), (280, 917668417), (310, 828861796), (434, 592044140), (620, 414430898), (868, 296022070), (1085, 236817656), (1240, 207215449), (1736, 148011035), (2053, 125156920), (2170, 118408828), (4106, 62578460), (4340, 59204414), (8212, 31289230), (8680, 29602207), (10265, 25031384), (14371, 17879560), (14419, 17820040), (16424, 15644615), (20530, 12515692), (28742, 8939780), (28838, 8910020), (41060, 6257846), (57484, 4469890), (57676, 4455010), (63643, 4037320), (71855, 3575912), (72095, 3564008), (82120, 3128923), (100933, 2545720), (114968, 2234945), (115352, 2227505), (127286, 2018660), (143710, 1787956), (144190, 1782004), (201866, 1272860), (254572, 1009330), (287420, 893978), (288380, 891002), (318215, 807464), (403732, 636430), (445501, 576760), (446989, 574840), (504665, 509144)]