216928920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{577}}^1$

素因数の和:845

約数の個数: 128

約数和(自身を含む): 704975040

約数和(自身を除く): 488046120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 241, 260, 312, 390, 482, 520, 577, 723, 780, 964, 1154, 1205, 1446, 1560, 1731, 1928, 2308, 2410, 2885, 2892, 3133, 3462, 3615, 4616, 4820, 5770, 5784, 6266, 6924, 7230, 7501, 8655, 9399, 9640, 11540, 12532, 13848, 14460, 15002, 15665, 17310, 18798, 22503, 23080, 25064, 28920, 30004, 31330, 34620, 37505, 37596, 45006, 46995, 60008, 62660, 69240, 75010, 75192, 90012, 93990, 112515, 125320, 139057, 150020, 180024, 187980, 225030, 278114, 300040, 375960, 417171, 450060, 556228, 695285, 834342, 900120, 1112456, 1390570, 1668684, 1807741, 2085855, 2781140, 3337368, 3615482, 4171710, 5423223, 5562280, 7230964, 8343420, 9038705, 10846446, 14461928, 16686840, 18077410, 21692892, 27116115, 36154820, 43385784, 54232230, 72309640, 108464460, 216928920]

約数ペア:

[(1, 216928920), (2, 108464460), (3, 72309640), (4, 54232230), (5, 43385784), (6, 36154820), (8, 27116115), (10, 21692892), (12, 18077410), (13, 16686840), (15, 14461928), (20, 10846446), (24, 9038705), (26, 8343420), (30, 7230964), (39, 5562280), (40, 5423223), (52, 4171710), (60, 3615482), (65, 3337368), (78, 2781140), (104, 2085855), (120, 1807741), (130, 1668684), (156, 1390570), (195, 1112456), (241, 900120), (260, 834342), (312, 695285), (390, 556228), (482, 450060), (520, 417171), (577, 375960), (723, 300040), (780, 278114), (964, 225030), (1154, 187980), (1205, 180024), (1446, 150020), (1560, 139057), (1731, 125320), (1928, 112515), (2308, 93990), (2410, 90012), (2885, 75192), (2892, 75010), (3133, 69240), (3462, 62660), (3615, 60008), (4616, 46995), (4820, 45006), (5770, 37596), (5784, 37505), (6266, 34620), (6924, 31330), (7230, 30004), (7501, 28920), (8655, 25064), (9399, 23080), (9640, 22503), (11540, 18798), (12532, 17310), (13848, 15665), (14460, 15002)]