71979420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1291

約数の個数: 96

約数和(自身を含む): 215373312

約数和(自身を除く): 143393892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 43, 46, 60, 69, 86, 92, 115, 129, 138, 172, 215, 230, 258, 276, 345, 430, 460, 516, 645, 690, 860, 989, 1213, 1290, 1380, 1978, 2426, 2580, 2967, 3639, 3956, 4852, 4945, 5934, 6065, 7278, 9890, 11868, 12130, 14556, 14835, 18195, 19780, 24260, 27899, 29670, 36390, 52159, 55798, 59340, 72780, 83697, 104318, 111596, 139495, 156477, 167394, 208636, 260795, 278990, 312954, 334788, 418485, 521590, 557980, 625908, 782385, 836970, 1043180, 1199657, 1564770, 1673940, 2399314, 3129540, 3598971, 4798628, 5998285, 7197942, 11996570, 14395884, 17994855, 23993140, 35989710, 71979420]

約数ペア:

[(1, 71979420), (2, 35989710), (3, 23993140), (4, 17994855), (5, 14395884), (6, 11996570), (10, 7197942), (12, 5998285), (15, 4798628), (20, 3598971), (23, 3129540), (30, 2399314), (43, 1673940), (46, 1564770), (60, 1199657), (69, 1043180), (86, 836970), (92, 782385), (115, 625908), (129, 557980), (138, 521590), (172, 418485), (215, 334788), (230, 312954), (258, 278990), (276, 260795), (345, 208636), (430, 167394), (460, 156477), (516, 139495), (645, 111596), (690, 104318), (860, 83697), (989, 72780), (1213, 59340), (1290, 55798), (1380, 52159), (1978, 36390), (2426, 29670), (2580, 27899), (2967, 24260), (3639, 19780), (3956, 18195), (4852, 14835), (4945, 14556), (5934, 12130), (6065, 11868), (7278, 9890)]