253491960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:949

約数の個数: 128

約数和(自身を含む): 795432960

約数和(自身を除く): 541941000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 83, 93, 120, 124, 155, 166, 186, 248, 249, 310, 332, 372, 415, 465, 498, 620, 664, 744, 821, 830, 930, 996, 1240, 1245, 1642, 1660, 1860, 1992, 2463, 2490, 2573, 3284, 3320, 3720, 4105, 4926, 4980, 5146, 6568, 7719, 8210, 9852, 9960, 10292, 12315, 12865, 15438, 16420, 19704, 20584, 24630, 25451, 25730, 30876, 32840, 38595, 49260, 50902, 51460, 61752, 68143, 76353, 77190, 98520, 101804, 102920, 127255, 136286, 152706, 154380, 203608, 204429, 254510, 272572, 305412, 308760, 340715, 381765, 408858, 509020, 545144, 610824, 681430, 763530, 817716, 1018040, 1022145, 1362860, 1527060, 1635432, 2044290, 2112433, 2725720, 3054120, 4088580, 4224866, 6337299, 8177160, 8449732, 10562165, 12674598, 16899464, 21124330, 25349196, 31686495, 42248660, 50698392, 63372990, 84497320, 126745980, 253491960]

約数ペア:

[(1, 253491960), (2, 126745980), (3, 84497320), (4, 63372990), (5, 50698392), (6, 42248660), (8, 31686495), (10, 25349196), (12, 21124330), (15, 16899464), (20, 12674598), (24, 10562165), (30, 8449732), (31, 8177160), (40, 6337299), (60, 4224866), (62, 4088580), (83, 3054120), (93, 2725720), (120, 2112433), (124, 2044290), (155, 1635432), (166, 1527060), (186, 1362860), (248, 1022145), (249, 1018040), (310, 817716), (332, 763530), (372, 681430), (415, 610824), (465, 545144), (498, 509020), (620, 408858), (664, 381765), (744, 340715), (821, 308760), (830, 305412), (930, 272572), (996, 254510), (1240, 204429), (1245, 203608), (1642, 154380), (1660, 152706), (1860, 136286), (1992, 127255), (2463, 102920), (2490, 101804), (2573, 98520), (3284, 77190), (3320, 76353), (3720, 68143), (4105, 61752), (4926, 51460), (4980, 50902), (5146, 49260), (6568, 38595), (7719, 32840), (8210, 30876), (9852, 25730), (9960, 25451), (10292, 24630), (12315, 20584), (12865, 19704), (15438, 16420)]