72584560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 191706480

約数和(自身を除く): 119121920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 53, 68, 76, 80, 85, 95, 106, 136, 152, 170, 190, 212, 265, 272, 304, 323, 340, 380, 424, 530, 646, 680, 760, 848, 901, 1007, 1060, 1292, 1360, 1520, 1615, 1802, 2014, 2120, 2584, 2809, 3230, 3604, 4028, 4240, 4505, 5035, 5168, 5618, 6460, 7208, 8056, 9010, 10070, 11236, 12920, 14045, 14416, 16112, 17119, 18020, 20140, 22472, 25840, 28090, 34238, 36040, 40280, 44944, 47753, 53371, 56180, 68476, 72080, 80560, 85595, 95506, 106742, 112360, 136952, 171190, 191012, 213484, 224720, 238765, 266855, 273904, 342380, 382024, 426968, 477530, 533710, 684760, 764048, 853936, 907307, 955060, 1067420, 1369520, 1814614, 1910120, 2134840, 3629228, 3820240, 4269680, 4536535, 7258456, 9073070, 14516912, 18146140, 36292280, 72584560]

約数ペア:

[(1, 72584560), (2, 36292280), (4, 18146140), (5, 14516912), (8, 9073070), (10, 7258456), (16, 4536535), (17, 4269680), (19, 3820240), (20, 3629228), (34, 2134840), (38, 1910120), (40, 1814614), (53, 1369520), (68, 1067420), (76, 955060), (80, 907307), (85, 853936), (95, 764048), (106, 684760), (136, 533710), (152, 477530), (170, 426968), (190, 382024), (212, 342380), (265, 273904), (272, 266855), (304, 238765), (323, 224720), (340, 213484), (380, 191012), (424, 171190), (530, 136952), (646, 112360), (680, 106742), (760, 95506), (848, 85595), (901, 80560), (1007, 72080), (1060, 68476), (1292, 56180), (1360, 53371), (1520, 47753), (1615, 44944), (1802, 40280), (2014, 36040), (2120, 34238), (2584, 28090), (2809, 25840), (3230, 22472), (3604, 20140), (4028, 18020), (4240, 17119), (4505, 16112), (5035, 14416), (5168, 14045), (5618, 12920), (6460, 11236), (7208, 10070), (8056, 9010)]