18461882320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{370423}}^1$

素因数の和:370532

約数の個数: 80

約数和(自身を含む): 49607182080

約数和(自身を除く): 31145299760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 3115, 3560, 4984, 6230, 7120, 9968, 12460, 24920, 49840, 370423, 740846, 1481692, 1852115, 2592961, 2963384, 3704230, 5185922, 5926768, 7408460, 10371844, 12964805, 14816920, 20743688, 25929610, 29633840, 32967647, 41487376, 51859220, 65935294, 103718440, 131870588, 164838235, 207436880, 230773529, 263741176, 329676470, 461547058, 527482352, 659352940, 923094116, 1153867645, 1318705880, 1846188232, 2307735290, 2637411760, 3692376464, 4615470580, 9230941160, 18461882320]

約数ペア:

[(1, 18461882320), (2, 9230941160), (4, 4615470580), (5, 3692376464), (7, 2637411760), (8, 2307735290), (10, 1846188232), (14, 1318705880), (16, 1153867645), (20, 923094116), (28, 659352940), (35, 527482352), (40, 461547058), (56, 329676470), (70, 263741176), (80, 230773529), (89, 207436880), (112, 164838235), (140, 131870588), (178, 103718440), (280, 65935294), (356, 51859220), (445, 41487376), (560, 32967647), (623, 29633840), (712, 25929610), (890, 20743688), (1246, 14816920), (1424, 12964805), (1780, 10371844), (2492, 7408460), (3115, 5926768), (3560, 5185922), (4984, 3704230), (6230, 2963384), (7120, 2592961), (9968, 1852115), (12460, 1481692), (24920, 740846), (49840, 370423)]