72582680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 167935680

約数和(自身を除く): 95353000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 151, 197, 244, 302, 305, 394, 488, 604, 610, 755, 788, 985, 1208, 1220, 1510, 1576, 1970, 2440, 3020, 3940, 6040, 7880, 9211, 12017, 18422, 24034, 29747, 36844, 46055, 48068, 59494, 60085, 73688, 92110, 96136, 118988, 120170, 148735, 184220, 237976, 240340, 297470, 368440, 480680, 594940, 1189880, 1814567, 3629134, 7258268, 9072835, 14516536, 18145670, 36291340, 72582680]

約数ペア:

[(1, 72582680), (2, 36291340), (4, 18145670), (5, 14516536), (8, 9072835), (10, 7258268), (20, 3629134), (40, 1814567), (61, 1189880), (122, 594940), (151, 480680), (197, 368440), (244, 297470), (302, 240340), (305, 237976), (394, 184220), (488, 148735), (604, 120170), (610, 118988), (755, 96136), (788, 92110), (985, 73688), (1208, 60085), (1220, 59494), (1510, 48068), (1576, 46055), (1970, 36844), (2440, 29747), (3020, 24034), (3940, 18422), (6040, 12017), (7880, 9211)]