81878280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5639}}^1$

素因数の和:5675

約数の個数: 96

約数和(自身を含む): 270043200

約数和(自身を除く): 188164920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1320, 1452, 1815, 2420, 2904, 3630, 4840, 5639, 7260, 11278, 14520, 16917, 22556, 28195, 33834, 45112, 56390, 62029, 67668, 84585, 112780, 124058, 135336, 169170, 186087, 225560, 248116, 310145, 338340, 372174, 496232, 620290, 676680, 682319, 744348, 930435, 1240580, 1364638, 1488696, 1860870, 2046957, 2481160, 2729276, 3411595, 3721740, 4093914, 5458552, 6823190, 7443480, 8187828, 10234785, 13646380, 16375656, 20469570, 27292760, 40939140, 81878280]

約数ペア:

[(1, 81878280), (2, 40939140), (3, 27292760), (4, 20469570), (5, 16375656), (6, 13646380), (8, 10234785), (10, 8187828), (11, 7443480), (12, 6823190), (15, 5458552), (20, 4093914), (22, 3721740), (24, 3411595), (30, 2729276), (33, 2481160), (40, 2046957), (44, 1860870), (55, 1488696), (60, 1364638), (66, 1240580), (88, 930435), (110, 744348), (120, 682319), (121, 676680), (132, 620290), (165, 496232), (220, 372174), (242, 338340), (264, 310145), (330, 248116), (363, 225560), (440, 186087), (484, 169170), (605, 135336), (660, 124058), (726, 112780), (968, 84585), (1210, 67668), (1320, 62029), (1452, 56390), (1815, 45112), (2420, 33834), (2904, 28195), (3630, 22556), (4840, 16917), (5639, 14520), (7260, 11278)]