75215920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2333}}^1$

素因数の和:2390

約数の個数: 80

約数和(自身を含む): 194487552

約数和(自身を除く): 119271632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2333, 2480, 3224, 4030, 4666, 6448, 8060, 9332, 11665, 16120, 18664, 23330, 30329, 32240, 37328, 46660, 60658, 72323, 93320, 121316, 144646, 151645, 186640, 242632, 289292, 303290, 361615, 485264, 578584, 606580, 723230, 940199, 1157168, 1213160, 1446460, 1880398, 2426320, 2892920, 3760796, 4700995, 5785840, 7521592, 9401990, 15043184, 18803980, 37607960, 75215920]

約数ペア:

[(1, 75215920), (2, 37607960), (4, 18803980), (5, 15043184), (8, 9401990), (10, 7521592), (13, 5785840), (16, 4700995), (20, 3760796), (26, 2892920), (31, 2426320), (40, 1880398), (52, 1446460), (62, 1213160), (65, 1157168), (80, 940199), (104, 723230), (124, 606580), (130, 578584), (155, 485264), (208, 361615), (248, 303290), (260, 289292), (310, 242632), (403, 186640), (496, 151645), (520, 144646), (620, 121316), (806, 93320), (1040, 72323), (1240, 60658), (1612, 46660), (2015, 37328), (2333, 32240), (2480, 30329), (3224, 23330), (4030, 18664), (4666, 16120), (6448, 11665), (8060, 9332)]