128510340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43711}}^1$

素因数の和:43737

約数の個数: 72

約数和(自身を含む): 418586112

約数和(自身を除く): 290075772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 43711, 87422, 131133, 174844, 218555, 262266, 305977, 437110, 524532, 611954, 655665, 874220, 917931, 1223908, 1311330, 1529885, 1835862, 2141839, 2622660, 3059770, 3671724, 4283678, 4589655, 6119540, 6425517, 8567356, 9179310, 10709195, 12851034, 18358620, 21418390, 25702068, 32127585, 42836780, 64255170, 128510340]

約数ペア:

[(1, 128510340), (2, 64255170), (3, 42836780), (4, 32127585), (5, 25702068), (6, 21418390), (7, 18358620), (10, 12851034), (12, 10709195), (14, 9179310), (15, 8567356), (20, 6425517), (21, 6119540), (28, 4589655), (30, 4283678), (35, 3671724), (42, 3059770), (49, 2622660), (60, 2141839), (70, 1835862), (84, 1529885), (98, 1311330), (105, 1223908), (140, 917931), (147, 874220), (196, 655665), (210, 611954), (245, 524532), (294, 437110), (420, 305977), (490, 262266), (588, 218555), (735, 174844), (980, 131133), (1470, 87422), (2940, 43711)]