21530160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1795

約数の個数: 120

約数和(自身を含む): 76602240

約数和(自身を除く): 55072080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 1759, 2040, 2448, 3060, 3518, 4080, 5277, 6120, 7036, 8795, 10554, 12240, 14072, 15831, 17590, 21108, 26385, 28144, 29903, 31662, 35180, 42216, 52770, 59806, 63324, 70360, 79155, 84432, 89709, 105540, 119612, 126648, 140720, 149515, 158310, 179418, 211080, 239224, 253296, 269127, 299030, 316620, 358836, 422160, 448545, 478448, 538254, 598060, 633240, 717672, 897090, 1076508, 1196120, 1266480, 1345635, 1435344, 1794180, 2153016, 2392240, 2691270, 3588360, 4306032, 5382540, 7176720, 10765080, 21530160]

約数ペア:

[(1, 21530160), (2, 10765080), (3, 7176720), (4, 5382540), (5, 4306032), (6, 3588360), (8, 2691270), (9, 2392240), (10, 2153016), (12, 1794180), (15, 1435344), (16, 1345635), (17, 1266480), (18, 1196120), (20, 1076508), (24, 897090), (30, 717672), (34, 633240), (36, 598060), (40, 538254), (45, 478448), (48, 448545), (51, 422160), (60, 358836), (68, 316620), (72, 299030), (80, 269127), (85, 253296), (90, 239224), (102, 211080), (120, 179418), (136, 158310), (144, 149515), (153, 140720), (170, 126648), (180, 119612), (204, 105540), (240, 89709), (255, 84432), (272, 79155), (306, 70360), (340, 63324), (360, 59806), (408, 52770), (510, 42216), (612, 35180), (680, 31662), (720, 29903), (765, 28144), (816, 26385), (1020, 21108), (1224, 17590), (1360, 15831), (1530, 14072), (1759, 12240), (2040, 10554), (2448, 8795), (3060, 7036), (3518, 6120), (4080, 5277)]