168940380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{402239}}^1$

素因数の和:402258

約数の個数: 48

約数和(自身を含む): 540610560

約数和(自身を除く): 371670180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 402239, 804478, 1206717, 1608956, 2011195, 2413434, 2815673, 4022390, 4826868, 5631346, 6033585, 8044780, 8447019, 11262692, 12067170, 14078365, 16894038, 24134340, 28156730, 33788076, 42235095, 56313460, 84470190, 168940380]

約数ペア:

[(1, 168940380), (2, 84470190), (3, 56313460), (4, 42235095), (5, 33788076), (6, 28156730), (7, 24134340), (10, 16894038), (12, 14078365), (14, 12067170), (15, 11262692), (20, 8447019), (21, 8044780), (28, 6033585), (30, 5631346), (35, 4826868), (42, 4022390), (60, 2815673), (70, 2413434), (84, 2011195), (105, 1608956), (140, 1206717), (210, 804478), (420, 402239)]