781139280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{1889}}^1$

素因数の和:3628

約数の個数: 80

約数和(自身を含む): 2424219840

約数和(自身を除く): 1643080560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1723, 1889, 3446, 3778, 5169, 5667, 6892, 7556, 8615, 9445, 10338, 11334, 13784, 15112, 17230, 18890, 20676, 22668, 25845, 27568, 28335, 30224, 34460, 37780, 41352, 45336, 51690, 56670, 68920, 75560, 82704, 90672, 103380, 113340, 137840, 151120, 206760, 226680, 413520, 453360, 3254747, 6509494, 9764241, 13018988, 16273735, 19528482, 26037976, 32547470, 39056964, 48821205, 52075952, 65094940, 78113928, 97642410, 130189880, 156227856, 195284820, 260379760, 390569640, 781139280]

約数ペア:

[(1, 781139280), (2, 390569640), (3, 260379760), (4, 195284820), (5, 156227856), (6, 130189880), (8, 97642410), (10, 78113928), (12, 65094940), (15, 52075952), (16, 48821205), (20, 39056964), (24, 32547470), (30, 26037976), (40, 19528482), (48, 16273735), (60, 13018988), (80, 9764241), (120, 6509494), (240, 3254747), (1723, 453360), (1889, 413520), (3446, 226680), (3778, 206760), (5169, 151120), (5667, 137840), (6892, 113340), (7556, 103380), (8615, 90672), (9445, 82704), (10338, 75560), (11334, 68920), (13784, 56670), (15112, 51690), (17230, 45336), (18890, 41352), (20676, 37780), (22668, 34460), (25845, 30224), (27568, 28335)]