220144980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{30323}}^1$

素因数の和:30357

約数の個数: 72

約数和(自身を含む): 677559456

約数和(自身を除く): 457414476

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 30323, 60646, 90969, 121292, 151615, 181938, 303230, 333553, 363876, 454845, 606460, 667106, 909690, 1000659, 1334212, 1667765, 1819380, 2001318, 3335530, 3669083, 4002636, 5003295, 6671060, 7338166, 10006590, 11007249, 14676332, 18345415, 20013180, 22014498, 36690830, 44028996, 55036245, 73381660, 110072490, 220144980]

約数ペア:

[(1, 220144980), (2, 110072490), (3, 73381660), (4, 55036245), (5, 44028996), (6, 36690830), (10, 22014498), (11, 20013180), (12, 18345415), (15, 14676332), (20, 11007249), (22, 10006590), (30, 7338166), (33, 6671060), (44, 5003295), (55, 4002636), (60, 3669083), (66, 3335530), (110, 2001318), (121, 1819380), (132, 1667765), (165, 1334212), (220, 1000659), (242, 909690), (330, 667106), (363, 606460), (484, 454845), (605, 363876), (660, 333553), (726, 303230), (1210, 181938), (1452, 151615), (1815, 121292), (2420, 90969), (3630, 60646), (7260, 30323)]