64612380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{21977}}^1$

素因数の和:22003

約数の個数: 72

約数和(自身を含む): 210461328

約数和(自身を除く): 145848948

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, 21977, 43954, 65931, 87908, 109885, 131862, 153839, 219770, 263724, 307678, 329655, 439540, 461517, 615356, 659310, 769195, 923034, 1076873, 1318620, 1538390, 1846068, 2153746, 2307585, 3076780, 3230619, 4307492, 4615170, 5384365, 6461238, 9230340, 10768730, 12922476, 16153095, 21537460, 32306190, 64612380]

約数ペア:

[(1, 64612380), (2, 32306190), (3, 21537460), (4, 16153095), (5, 12922476), (6, 10768730), (7, 9230340), (10, 6461238), (12, 5384365), (14, 4615170), (15, 4307492), (20, 3230619), (21, 3076780), (28, 2307585), (30, 2153746), (35, 1846068), (42, 1538390), (49, 1318620), (60, 1076873), (70, 923034), (84, 769195), (98, 659310), (105, 615356), (140, 461517), (147, 439540), (196, 329655), (210, 307678), (245, 263724), (294, 219770), (420, 153839), (490, 131862), (588, 109885), (735, 87908), (980, 65931), (1470, 43954), (2940, 21977)]