172640280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{18211}}^1$

素因数の和:18304

約数の個数: 64

約数和(自身を含む): 524505600

約数和(自身を除く): 351865320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 18211, 36422, 54633, 72844, 91055, 109266, 145688, 182110, 218532, 273165, 364220, 437064, 546330, 728440, 1092660, 1438669, 2185320, 2877338, 4316007, 5754676, 7193345, 8632014, 11509352, 14386690, 17264028, 21580035, 28773380, 34528056, 43160070, 57546760, 86320140, 172640280]

約数ペア:

[(1, 172640280), (2, 86320140), (3, 57546760), (4, 43160070), (5, 34528056), (6, 28773380), (8, 21580035), (10, 17264028), (12, 14386690), (15, 11509352), (20, 8632014), (24, 7193345), (30, 5754676), (40, 4316007), (60, 2877338), (79, 2185320), (120, 1438669), (158, 1092660), (237, 728440), (316, 546330), (395, 437064), (474, 364220), (632, 273165), (790, 218532), (948, 182110), (1185, 145688), (1580, 109266), (1896, 91055), (2370, 72844), (3160, 54633), (4740, 36422), (9480, 18211)]