2564753380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1722

約数の個数: 144

約数和(自身を含む): 6710086656

約数和(自身を除く): 4145333276

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 361, 380, 434, 532, 589, 620, 665, 722, 868, 1085, 1178, 1330, 1444, 1637, 1805, 2170, 2356, 2527, 2660, 2945, 3274, 3610, 4123, 4340, 5054, 5890, 6548, 7220, 8185, 8246, 10108, 11191, 11459, 11780, 12635, 16370, 16492, 20615, 22382, 22918, 25270, 31103, 32740, 41230, 44764, 45836, 50540, 50747, 55955, 57295, 62206, 78337, 82460, 101494, 111910, 114590, 124412, 155515, 156674, 202988, 217721, 223820, 229180, 253735, 311030, 313348, 355229, 391685, 435442, 507470, 590957, 622060, 710458, 783370, 870884, 964193, 1014940, 1088605, 1181914, 1420916, 1566740, 1776145, 1928386, 2177210, 2363828, 2954785, 3552290, 3856772, 4136699, 4354420, 4820965, 5909570, 6749351, 7104580, 8273398, 9641930, 11819140, 13498702, 16546796, 18319667, 19283860, 20683495, 26997404, 33746755, 36639334, 41366990, 67493510, 73278668, 82733980, 91598335, 128237669, 134987020, 183196670, 256475338, 366393340, 512950676, 641188345, 1282376690, 2564753380]

約数ペア:

[(1, 2564753380), (2, 1282376690), (4, 641188345), (5, 512950676), (7, 366393340), (10, 256475338), (14, 183196670), (19, 134987020), (20, 128237669), (28, 91598335), (31, 82733980), (35, 73278668), (38, 67493510), (62, 41366990), (70, 36639334), (76, 33746755), (95, 26997404), (124, 20683495), (133, 19283860), (140, 18319667), (155, 16546796), (190, 13498702), (217, 11819140), (266, 9641930), (310, 8273398), (361, 7104580), (380, 6749351), (434, 5909570), (532, 4820965), (589, 4354420), (620, 4136699), (665, 3856772), (722, 3552290), (868, 2954785), (1085, 2363828), (1178, 2177210), (1330, 1928386), (1444, 1776145), (1637, 1566740), (1805, 1420916), (2170, 1181914), (2356, 1088605), (2527, 1014940), (2660, 964193), (2945, 870884), (3274, 783370), (3610, 710458), (4123, 622060), (4340, 590957), (5054, 507470), (5890, 435442), (6548, 391685), (7220, 355229), (8185, 313348), (8246, 311030), (10108, 253735), (11191, 229180), (11459, 223820), (11780, 217721), (12635, 202988), (16370, 156674), (16492, 155515), (20615, 124412), (22382, 114590), (22918, 111910), (25270, 101494), (31103, 82460), (32740, 78337), (41230, 62206), (44764, 57295), (45836, 55955), (50540, 50747)]