71616120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2999}}^1$

素因数の和:3212

約数の個数: 64

約数和(自身を含む): 216000000

約数和(自身を除く): 144383880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2985, 2999, 3980, 4776, 5970, 5998, 7960, 8997, 11940, 11996, 14995, 17994, 23880, 23992, 29990, 35988, 44985, 59980, 71976, 89970, 119960, 179940, 359880, 596801, 1193602, 1790403, 2387204, 2984005, 3580806, 4774408, 5968010, 7161612, 8952015, 11936020, 14323224, 17904030, 23872040, 35808060, 71616120]

約数ペア:

[(1, 71616120), (2, 35808060), (3, 23872040), (4, 17904030), (5, 14323224), (6, 11936020), (8, 8952015), (10, 7161612), (12, 5968010), (15, 4774408), (20, 3580806), (24, 2984005), (30, 2387204), (40, 1790403), (60, 1193602), (120, 596801), (199, 359880), (398, 179940), (597, 119960), (796, 89970), (995, 71976), (1194, 59980), (1592, 44985), (1990, 35988), (2388, 29990), (2985, 23992), (2999, 23880), (3980, 17994), (4776, 14995), (5970, 11996), (5998, 11940), (7960, 8997)]