81110260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1699}}^1$

素因数の和:1757

約数の個数: 96

約数和(自身を含む): 219340800

約数和(自身を除く): 138230540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 682, 770, 868, 1085, 1364, 1540, 1699, 1705, 2170, 2387, 3398, 3410, 4340, 4774, 6796, 6820, 8495, 9548, 11893, 11935, 16990, 18689, 23786, 23870, 33980, 37378, 47572, 47740, 52669, 59465, 74756, 93445, 105338, 118930, 130823, 186890, 210676, 237860, 261646, 263345, 368683, 373780, 523292, 526690, 579359, 654115, 737366, 1053380, 1158718, 1308230, 1474732, 1843415, 2317436, 2616460, 2896795, 3686830, 4055513, 5793590, 7373660, 8111026, 11587180, 16222052, 20277565, 40555130, 81110260]

約数ペア:

[(1, 81110260), (2, 40555130), (4, 20277565), (5, 16222052), (7, 11587180), (10, 8111026), (11, 7373660), (14, 5793590), (20, 4055513), (22, 3686830), (28, 2896795), (31, 2616460), (35, 2317436), (44, 1843415), (55, 1474732), (62, 1308230), (70, 1158718), (77, 1053380), (110, 737366), (124, 654115), (140, 579359), (154, 526690), (155, 523292), (217, 373780), (220, 368683), (308, 263345), (310, 261646), (341, 237860), (385, 210676), (434, 186890), (620, 130823), (682, 118930), (770, 105338), (868, 93445), (1085, 74756), (1364, 59465), (1540, 52669), (1699, 47740), (1705, 47572), (2170, 37378), (2387, 33980), (3398, 23870), (3410, 23786), (4340, 18689), (4774, 16990), (6796, 11935), (6820, 11893), (8495, 9548)]