74491020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:1004

約数の個数: 144

約数和(自身を含む): 248451840

約数和(自身を除く): 173960820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 684, 690, 828, 855, 874, 947, 1035, 1140, 1311, 1380, 1710, 1748, 1894, 2070, 2185, 2622, 2841, 3420, 3788, 3933, 4140, 4370, 4735, 5244, 5682, 6555, 7866, 8523, 8740, 9470, 11364, 13110, 14205, 15732, 17046, 17993, 18940, 19665, 21781, 26220, 28410, 34092, 35986, 39330, 42615, 43562, 53979, 56820, 65343, 71972, 78660, 85230, 87124, 89965, 107958, 108905, 130686, 161937, 170460, 179930, 196029, 215916, 217810, 261372, 269895, 323874, 326715, 359860, 392058, 413839, 435620, 539790, 647748, 653430, 784116, 809685, 827678, 980145, 1079580, 1241517, 1306860, 1619370, 1655356, 1960290, 2069195, 2483034, 3238740, 3724551, 3920580, 4138390, 4966068, 6207585, 7449102, 8276780, 12415170, 14898204, 18622755, 24830340, 37245510, 74491020]

約数ペア:

[(1, 74491020), (2, 37245510), (3, 24830340), (4, 18622755), (5, 14898204), (6, 12415170), (9, 8276780), (10, 7449102), (12, 6207585), (15, 4966068), (18, 4138390), (19, 3920580), (20, 3724551), (23, 3238740), (30, 2483034), (36, 2069195), (38, 1960290), (45, 1655356), (46, 1619370), (57, 1306860), (60, 1241517), (69, 1079580), (76, 980145), (90, 827678), (92, 809685), (95, 784116), (114, 653430), (115, 647748), (138, 539790), (171, 435620), (180, 413839), (190, 392058), (207, 359860), (228, 326715), (230, 323874), (276, 269895), (285, 261372), (342, 217810), (345, 215916), (380, 196029), (414, 179930), (437, 170460), (460, 161937), (570, 130686), (684, 108905), (690, 107958), (828, 89965), (855, 87124), (874, 85230), (947, 78660), (1035, 71972), (1140, 65343), (1311, 56820), (1380, 53979), (1710, 43562), (1748, 42615), (1894, 39330), (2070, 35986), (2185, 34092), (2622, 28410), (2841, 26220), (3420, 21781), (3788, 19665), (3933, 18940), (4140, 17993), (4370, 17046), (4735, 15732), (5244, 14205), (5682, 13110), (6555, 11364), (7866, 9470), (8523, 8740)]