81645630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:422

約数の個数: 128

約数和(自身を含む): 230916096

約数和(自身を除く): 149270466

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 31, 33, 46, 55, 62, 66, 69, 93, 110, 115, 138, 155, 165, 186, 230, 253, 310, 330, 341, 345, 347, 465, 506, 682, 690, 694, 713, 759, 930, 1023, 1041, 1265, 1426, 1518, 1705, 1735, 2046, 2082, 2139, 2530, 3410, 3470, 3565, 3795, 3817, 4278, 5115, 5205, 7130, 7590, 7634, 7843, 7981, 10230, 10410, 10695, 10757, 11451, 15686, 15962, 19085, 21390, 21514, 22902, 23529, 23943, 32271, 38170, 39215, 39905, 47058, 47886, 53785, 57255, 64542, 78430, 79810, 87791, 107570, 114510, 117645, 118327, 119715, 161355, 175582, 235290, 236654, 239430, 247411, 263373, 322710, 354981, 438955, 494822, 526746, 591635, 709962, 742233, 877910, 1183270, 1237055, 1316865, 1484466, 1774905, 2474110, 2633730, 2721521, 3549810, 3711165, 5443042, 7422330, 8164563, 13607605, 16329126, 27215210, 40822815, 81645630]

約数ペア:

[(1, 81645630), (2, 40822815), (3, 27215210), (5, 16329126), (6, 13607605), (10, 8164563), (11, 7422330), (15, 5443042), (22, 3711165), (23, 3549810), (30, 2721521), (31, 2633730), (33, 2474110), (46, 1774905), (55, 1484466), (62, 1316865), (66, 1237055), (69, 1183270), (93, 877910), (110, 742233), (115, 709962), (138, 591635), (155, 526746), (165, 494822), (186, 438955), (230, 354981), (253, 322710), (310, 263373), (330, 247411), (341, 239430), (345, 236654), (347, 235290), (465, 175582), (506, 161355), (682, 119715), (690, 118327), (694, 117645), (713, 114510), (759, 107570), (930, 87791), (1023, 79810), (1041, 78430), (1265, 64542), (1426, 57255), (1518, 53785), (1705, 47886), (1735, 47058), (2046, 39905), (2082, 39215), (2139, 38170), (2530, 32271), (3410, 23943), (3470, 23529), (3565, 22902), (3795, 21514), (3817, 21390), (4278, 19085), (5115, 15962), (5205, 15686), (7130, 11451), (7590, 10757), (7634, 10695), (7843, 10410), (7981, 10230)]