72217180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1249}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 179550000

約数和(自身を除く): 107332820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 413, 490, 590, 826, 980, 1180, 1249, 1652, 2065, 2498, 2891, 4130, 4996, 5782, 6245, 8260, 8743, 11564, 12490, 14455, 17486, 24980, 28910, 34972, 43715, 57820, 61201, 73691, 87430, 122402, 147382, 174860, 244804, 294764, 306005, 368455, 515837, 612010, 736910, 1031674, 1224020, 1473820, 2063348, 2579185, 3610859, 5158370, 7221718, 10316740, 14443436, 18054295, 36108590, 72217180]

約数ペア:

[(1, 72217180), (2, 36108590), (4, 18054295), (5, 14443436), (7, 10316740), (10, 7221718), (14, 5158370), (20, 3610859), (28, 2579185), (35, 2063348), (49, 1473820), (59, 1224020), (70, 1031674), (98, 736910), (118, 612010), (140, 515837), (196, 368455), (236, 306005), (245, 294764), (295, 244804), (413, 174860), (490, 147382), (590, 122402), (826, 87430), (980, 73691), (1180, 61201), (1249, 57820), (1652, 43715), (2065, 34972), (2498, 28910), (2891, 24980), (4130, 17486), (4996, 14455), (5782, 12490), (6245, 11564), (8260, 8743)]