89101980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4091}}^1$

素因数の和:4128

約数の個数: 108

約数和(自身を含む): 297152856

約数和(自身を除く): 208050876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4091, 4356, 5445, 7260, 8182, 10890, 12273, 16364, 20455, 21780, 24546, 36819, 40910, 45001, 49092, 61365, 73638, 81820, 90002, 122730, 135003, 147276, 180004, 184095, 225005, 245460, 270006, 368190, 405009, 450010, 495011, 540012, 675015, 736380, 810018, 900020, 990022, 1350030, 1485033, 1620036, 1980044, 2025045, 2475055, 2700060, 2970066, 4050090, 4455099, 4950110, 5940132, 7425165, 8100180, 8910198, 9900220, 14850330, 17820396, 22275495, 29700660, 44550990, 89101980]

約数ペア:

[(1, 89101980), (2, 44550990), (3, 29700660), (4, 22275495), (5, 17820396), (6, 14850330), (9, 9900220), (10, 8910198), (11, 8100180), (12, 7425165), (15, 5940132), (18, 4950110), (20, 4455099), (22, 4050090), (30, 2970066), (33, 2700060), (36, 2475055), (44, 2025045), (45, 1980044), (55, 1620036), (60, 1485033), (66, 1350030), (90, 990022), (99, 900020), (110, 810018), (121, 736380), (132, 675015), (165, 540012), (180, 495011), (198, 450010), (220, 405009), (242, 368190), (330, 270006), (363, 245460), (396, 225005), (484, 184095), (495, 180004), (605, 147276), (660, 135003), (726, 122730), (990, 90002), (1089, 81820), (1210, 73638), (1452, 61365), (1815, 49092), (1980, 45001), (2178, 40910), (2420, 36819), (3630, 24546), (4091, 21780), (4356, 20455), (5445, 16364), (7260, 12273), (8182, 10890)]