81948510

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 160

約数和(自身を含む): 256132800

約数和(自身を除く): 174184290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 97, 105, 126, 135, 149, 162, 189, 194, 210, 270, 291, 298, 315, 378, 405, 447, 485, 567, 582, 630, 679, 745, 810, 873, 894, 945, 970, 1043, 1134, 1341, 1358, 1455, 1490, 1746, 1890, 2037, 2086, 2235, 2619, 2682, 2835, 2910, 3129, 3395, 4023, 4074, 4365, 4470, 5215, 5238, 5670, 6111, 6258, 6705, 6790, 7857, 8046, 8730, 9387, 10185, 10430, 12069, 12222, 13095, 13410, 14453, 15645, 15714, 18333, 18774, 20115, 20370, 24138, 26190, 28161, 28906, 30555, 31290, 36666, 39285, 40230, 43359, 46935, 54999, 56322, 60345, 61110, 72265, 78570, 84483, 86718, 91665, 93870, 101171, 109998, 120690, 130077, 140805, 144530, 168966, 183330, 202342, 216795, 260154, 274995, 281610, 303513, 390231, 422415, 433590, 505855, 549990, 607026, 650385, 780462, 844830, 910539, 1011710, 1170693, 1300770, 1517565, 1821078, 1951155, 2341386, 2731617, 3035130, 3902310, 4552695, 5463234, 5853465, 8194851, 9105390, 11706930, 13658085, 16389702, 27316170, 40974255, 81948510]

約数ペア:

[(1, 81948510), (2, 40974255), (3, 27316170), (5, 16389702), (6, 13658085), (7, 11706930), (9, 9105390), (10, 8194851), (14, 5853465), (15, 5463234), (18, 4552695), (21, 3902310), (27, 3035130), (30, 2731617), (35, 2341386), (42, 1951155), (45, 1821078), (54, 1517565), (63, 1300770), (70, 1170693), (81, 1011710), (90, 910539), (97, 844830), (105, 780462), (126, 650385), (135, 607026), (149, 549990), (162, 505855), (189, 433590), (194, 422415), (210, 390231), (270, 303513), (291, 281610), (298, 274995), (315, 260154), (378, 216795), (405, 202342), (447, 183330), (485, 168966), (567, 144530), (582, 140805), (630, 130077), (679, 120690), (745, 109998), (810, 101171), (873, 93870), (894, 91665), (945, 86718), (970, 84483), (1043, 78570), (1134, 72265), (1341, 61110), (1358, 60345), (1455, 56322), (1490, 54999), (1746, 46935), (1890, 43359), (2037, 40230), (2086, 39285), (2235, 36666), (2619, 31290), (2682, 30555), (2835, 28906), (2910, 28161), (3129, 26190), (3395, 24138), (4023, 20370), (4074, 20115), (4365, 18774), (4470, 18333), (5215, 15714), (5238, 15645), (5670, 14453), (6111, 13410), (6258, 13095), (6705, 12222), (6790, 12069), (7857, 10430), (8046, 10185), (8730, 9387)]