156920359480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{635923}}^1$

素因数の和:636164

約数の個数: 64

約数和(自身を含む): 366292224000

約数和(自身を除く): 209371864520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 199, 248, 310, 398, 620, 796, 995, 1240, 1592, 1990, 3980, 6169, 7960, 12338, 24676, 30845, 49352, 61690, 123380, 246760, 635923, 1271846, 2543692, 3179615, 5087384, 6359230, 12718460, 19713613, 25436920, 39427226, 78854452, 98568065, 126548677, 157708904, 197136130, 253097354, 394272260, 506194708, 632743385, 788544520, 1012389416, 1265486770, 2530973540, 3923008987, 5061947080, 7846017974, 15692035948, 19615044935, 31384071896, 39230089870, 78460179740, 156920359480]

約数ペア:

[(1, 156920359480), (2, 78460179740), (4, 39230089870), (5, 31384071896), (8, 19615044935), (10, 15692035948), (20, 7846017974), (31, 5061947080), (40, 3923008987), (62, 2530973540), (124, 1265486770), (155, 1012389416), (199, 788544520), (248, 632743385), (310, 506194708), (398, 394272260), (620, 253097354), (796, 197136130), (995, 157708904), (1240, 126548677), (1592, 98568065), (1990, 78854452), (3980, 39427226), (6169, 25436920), (7960, 19713613), (12338, 12718460), (24676, 6359230), (30845, 5087384), (49352, 3179615), (61690, 2543692), (123380, 1271846), (246760, 635923)]