2012180620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^2$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 4416470352

約数和(自身を除く): 2404289732

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 83, 148, 166, 181, 185, 332, 362, 370, 415, 724, 740, 830, 905, 1660, 1810, 3071, 3620, 6142, 6697, 12284, 13394, 15023, 15355, 26788, 30046, 30710, 32761, 33485, 60092, 61420, 65522, 66970, 75115, 131044, 133940, 150230, 163805, 300460, 327610, 555851, 655220, 1111702, 1212157, 2223404, 2424314, 2719163, 2779255, 4848628, 5438326, 5558510, 6060785, 10876652, 11117020, 12121570, 13595815, 24243140, 27191630, 54383260, 100609031, 201218062, 402436124, 503045155, 1006090310, 2012180620]

約数ペア:

[(1, 2012180620), (2, 1006090310), (4, 503045155), (5, 402436124), (10, 201218062), (20, 100609031), (37, 54383260), (74, 27191630), (83, 24243140), (148, 13595815), (166, 12121570), (181, 11117020), (185, 10876652), (332, 6060785), (362, 5558510), (370, 5438326), (415, 4848628), (724, 2779255), (740, 2719163), (830, 2424314), (905, 2223404), (1660, 1212157), (1810, 1111702), (3071, 655220), (3620, 555851), (6142, 327610), (6697, 300460), (12284, 163805), (13394, 150230), (15023, 133940), (15355, 131044), (26788, 75115), (30046, 66970), (30710, 65522), (32761, 61420), (33485, 60092)]