71515620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1946

約数の個数: 144

約数和(自身を含む): 249238080

約数和(自身を除く): 177722460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1710, 1881, 1901, 1980, 2090, 2508, 3135, 3420, 3762, 3802, 4180, 5703, 6270, 7524, 7604, 9405, 9505, 11406, 12540, 17109, 18810, 19010, 20911, 22812, 28515, 34218, 36119, 37620, 38020, 41822, 57030, 62733, 68436, 72238, 83644, 85545, 104555, 108357, 114060, 125466, 144476, 171090, 180595, 188199, 209110, 216714, 250932, 313665, 325071, 342180, 361190, 376398, 397309, 418220, 433428, 541785, 627330, 650142, 722380, 752796, 794618, 940995, 1083570, 1191927, 1254660, 1300284, 1589236, 1625355, 1881990, 1986545, 2167140, 2383854, 3250710, 3575781, 3763980, 3973090, 4767708, 5959635, 6501420, 7151562, 7946180, 11919270, 14303124, 17878905, 23838540, 35757810, 71515620]

約数ペア:

[(1, 71515620), (2, 35757810), (3, 23838540), (4, 17878905), (5, 14303124), (6, 11919270), (9, 7946180), (10, 7151562), (11, 6501420), (12, 5959635), (15, 4767708), (18, 3973090), (19, 3763980), (20, 3575781), (22, 3250710), (30, 2383854), (33, 2167140), (36, 1986545), (38, 1881990), (44, 1625355), (45, 1589236), (55, 1300284), (57, 1254660), (60, 1191927), (66, 1083570), (76, 940995), (90, 794618), (95, 752796), (99, 722380), (110, 650142), (114, 627330), (132, 541785), (165, 433428), (171, 418220), (180, 397309), (190, 376398), (198, 361190), (209, 342180), (220, 325071), (228, 313665), (285, 250932), (330, 216714), (342, 209110), (380, 188199), (396, 180595), (418, 171090), (495, 144476), (570, 125466), (627, 114060), (660, 108357), (684, 104555), (836, 85545), (855, 83644), (990, 72238), (1045, 68436), (1140, 62733), (1254, 57030), (1710, 41822), (1881, 38020), (1901, 37620), (1980, 36119), (2090, 34218), (2508, 28515), (3135, 22812), (3420, 20911), (3762, 19010), (3802, 18810), (4180, 17109), (5703, 12540), (6270, 11406), (7524, 9505), (7604, 9405)]