641502480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157231}}^1$

素因数の和:157264

約数の個数: 80

約数和(自身を含む): 2105650944

約数和(自身を除く): 1464148464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 157231, 314462, 471693, 628924, 786155, 943386, 1257848, 1572310, 1886772, 2358465, 2515696, 2672927, 3144620, 3773544, 4716930, 5345854, 6289240, 7547088, 8018781, 9433860, 10691708, 12578480, 13364635, 16037562, 18867720, 21383416, 26729270, 32075124, 37735440, 40093905, 42766832, 53458540, 64150248, 80187810, 106917080, 128300496, 160375620, 213834160, 320751240, 641502480]

約数ペア:

[(1, 641502480), (2, 320751240), (3, 213834160), (4, 160375620), (5, 128300496), (6, 106917080), (8, 80187810), (10, 64150248), (12, 53458540), (15, 42766832), (16, 40093905), (17, 37735440), (20, 32075124), (24, 26729270), (30, 21383416), (34, 18867720), (40, 16037562), (48, 13364635), (51, 12578480), (60, 10691708), (68, 9433860), (80, 8018781), (85, 7547088), (102, 6289240), (120, 5345854), (136, 4716930), (170, 3773544), (204, 3144620), (240, 2672927), (255, 2515696), (272, 2358465), (340, 1886772), (408, 1572310), (510, 1257848), (680, 943386), (816, 786155), (1020, 628924), (1360, 471693), (2040, 314462), (4080, 157231)]