78661680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{327757}}^1$

素因数の和:327773

約数の個数: 40

約数和(自身を含む): 243851952

約数和(自身を除く): 165190272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 327757, 655514, 983271, 1311028, 1638785, 1966542, 2622056, 3277570, 3933084, 4916355, 5244112, 6555140, 7866168, 9832710, 13110280, 15732336, 19665420, 26220560, 39330840, 78661680]

約数ペア:

[(1, 78661680), (2, 39330840), (3, 26220560), (4, 19665420), (5, 15732336), (6, 13110280), (8, 9832710), (10, 7866168), (12, 6555140), (15, 5244112), (16, 4916355), (20, 3933084), (24, 3277570), (30, 2622056), (40, 1966542), (48, 1638785), (60, 1311028), (80, 983271), (120, 655514), (240, 327757)]