899366940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70373}}^1$

素因数の和:70459

約数の個数: 72

約数和(自身を含む): 2766542688

約数和(自身を除く): 1867175748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 70373, 140746, 211119, 281492, 351865, 422238, 633357, 703730, 844476, 1055595, 1266714, 1407460, 2111190, 2533428, 3166785, 4222380, 4996483, 6333570, 9992966, 12667140, 14989449, 19985932, 24982415, 29978898, 44968347, 49964830, 59957796, 74947245, 89936694, 99929660, 149894490, 179873388, 224841735, 299788980, 449683470, 899366940]

約数ペア:

[(1, 899366940), (2, 449683470), (3, 299788980), (4, 224841735), (5, 179873388), (6, 149894490), (9, 99929660), (10, 89936694), (12, 74947245), (15, 59957796), (18, 49964830), (20, 44968347), (30, 29978898), (36, 24982415), (45, 19985932), (60, 14989449), (71, 12667140), (90, 9992966), (142, 6333570), (180, 4996483), (213, 4222380), (284, 3166785), (355, 2533428), (426, 2111190), (639, 1407460), (710, 1266714), (852, 1055595), (1065, 844476), (1278, 703730), (1420, 633357), (2130, 422238), (2556, 351865), (3195, 281492), (4260, 211119), (6390, 140746), (12780, 70373)]