20121581640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^2\times {\mathrm{2887}}^1$

素因数の和:3383

約数の個数: 96

約数和(自身を含む): 60637256640

約数和(自身を除く): 40515675000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 964, 1205, 1446, 1928, 2410, 2887, 2892, 3615, 4820, 5774, 5784, 7230, 8661, 9640, 11548, 14435, 14460, 17322, 23096, 28870, 28920, 34644, 43305, 57740, 58081, 69288, 86610, 115480, 116162, 173220, 174243, 232324, 290405, 346440, 348486, 464648, 580810, 695767, 696972, 871215, 1161620, 1391534, 1393944, 1742430, 2087301, 2323240, 2783068, 3478835, 3484860, 4174602, 5566136, 6957670, 6969720, 8349204, 10436505, 13915340, 16698408, 20873010, 27830680, 41746020, 83492040, 167679847, 335359694, 503039541, 670719388, 838399235, 1006079082, 1341438776, 1676798470, 2012158164, 2515197705, 3353596940, 4024316328, 5030395410, 6707193880, 10060790820, 20121581640]

約数ペア:

[(1, 20121581640), (2, 10060790820), (3, 6707193880), (4, 5030395410), (5, 4024316328), (6, 3353596940), (8, 2515197705), (10, 2012158164), (12, 1676798470), (15, 1341438776), (20, 1006079082), (24, 838399235), (30, 670719388), (40, 503039541), (60, 335359694), (120, 167679847), (241, 83492040), (482, 41746020), (723, 27830680), (964, 20873010), (1205, 16698408), (1446, 13915340), (1928, 10436505), (2410, 8349204), (2887, 6969720), (2892, 6957670), (3615, 5566136), (4820, 4174602), (5774, 3484860), (5784, 3478835), (7230, 2783068), (8661, 2323240), (9640, 2087301), (11548, 1742430), (14435, 1393944), (14460, 1391534), (17322, 1161620), (23096, 871215), (28870, 696972), (28920, 695767), (34644, 580810), (43305, 464648), (57740, 348486), (58081, 346440), (69288, 290405), (86610, 232324), (115480, 174243), (116162, 173220)]