637213040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{4639}}^1$

素因数の和:4770

約数の個数: 80

約数和(自身を含む): 1584541440

約数和(自身を除く): 947328400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 136, 170, 202, 272, 340, 404, 505, 680, 808, 1010, 1360, 1616, 1717, 2020, 3434, 4040, 4639, 6868, 8080, 8585, 9278, 13736, 17170, 18556, 23195, 27472, 34340, 37112, 46390, 68680, 74224, 78863, 92780, 137360, 157726, 185560, 315452, 371120, 394315, 468539, 630904, 788630, 937078, 1261808, 1577260, 1874156, 2342695, 3154520, 3748312, 4685390, 6309040, 7496624, 7965163, 9370780, 15930326, 18741560, 31860652, 37483120, 39825815, 63721304, 79651630, 127442608, 159303260, 318606520, 637213040]

約数ペア:

[(1, 637213040), (2, 318606520), (4, 159303260), (5, 127442608), (8, 79651630), (10, 63721304), (16, 39825815), (17, 37483120), (20, 31860652), (34, 18741560), (40, 15930326), (68, 9370780), (80, 7965163), (85, 7496624), (101, 6309040), (136, 4685390), (170, 3748312), (202, 3154520), (272, 2342695), (340, 1874156), (404, 1577260), (505, 1261808), (680, 937078), (808, 788630), (1010, 630904), (1360, 468539), (1616, 394315), (1717, 371120), (2020, 315452), (3434, 185560), (4040, 157726), (4639, 137360), (6868, 92780), (8080, 78863), (8585, 74224), (9278, 68680), (13736, 46390), (17170, 37112), (18556, 34340), (23195, 27472)]