156720990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:921

約数の個数: 64

約数和(自身を含む): 385689600

約数和(自身を除く): 228968610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 89, 158, 178, 237, 267, 395, 445, 474, 534, 743, 790, 890, 1185, 1335, 1486, 2229, 2370, 2670, 3715, 4458, 7031, 7430, 11145, 14062, 21093, 22290, 35155, 42186, 58697, 66127, 70310, 105465, 117394, 132254, 176091, 198381, 210930, 293485, 330635, 352182, 396762, 586970, 661270, 880455, 991905, 1760910, 1983810, 5224033, 10448066, 15672099, 26120165, 31344198, 52240330, 78360495, 156720990]

約数ペア:

[(1, 156720990), (2, 78360495), (3, 52240330), (5, 31344198), (6, 26120165), (10, 15672099), (15, 10448066), (30, 5224033), (79, 1983810), (89, 1760910), (158, 991905), (178, 880455), (237, 661270), (267, 586970), (395, 396762), (445, 352182), (474, 330635), (534, 293485), (743, 210930), (790, 198381), (890, 176091), (1185, 132254), (1335, 117394), (1486, 105465), (2229, 70310), (2370, 66127), (2670, 58697), (3715, 42186), (4458, 35155), (7031, 22290), (7430, 21093), (11145, 14062)]