2018090320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{967}}^1\times {\mathrm{1373}}^1$

素因数の和:2372

約数の個数: 80

約数和(自身を含む): 4947719040

約数和(自身を除く): 2929628720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 967, 1373, 1520, 1934, 2746, 3868, 4835, 5492, 6865, 7736, 9670, 10984, 13730, 15472, 18373, 19340, 21968, 26087, 27460, 36746, 38680, 52174, 54920, 73492, 77360, 91865, 104348, 109840, 130435, 146984, 183730, 208696, 260870, 293968, 367460, 417392, 521740, 734920, 1043480, 1327691, 1469840, 2086960, 2655382, 5310764, 6638455, 10621528, 13276910, 21243056, 25226129, 26553820, 50452258, 53107640, 100904516, 106215280, 126130645, 201809032, 252261290, 403618064, 504522580, 1009045160, 2018090320]

約数ペア:

[(1, 2018090320), (2, 1009045160), (4, 504522580), (5, 403618064), (8, 252261290), (10, 201809032), (16, 126130645), (19, 106215280), (20, 100904516), (38, 53107640), (40, 50452258), (76, 26553820), (80, 25226129), (95, 21243056), (152, 13276910), (190, 10621528), (304, 6638455), (380, 5310764), (760, 2655382), (967, 2086960), (1373, 1469840), (1520, 1327691), (1934, 1043480), (2746, 734920), (3868, 521740), (4835, 417392), (5492, 367460), (6865, 293968), (7736, 260870), (9670, 208696), (10984, 183730), (13730, 146984), (15472, 130435), (18373, 109840), (19340, 104348), (21968, 91865), (26087, 77360), (27460, 73492), (36746, 54920), (38680, 52174)]