1815450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:61

約数の個数: 144

約数和(自身を含む): 5937120

約数和(自身を除く): 4121670

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 25, 26, 30, 35, 38, 39, 42, 49, 50, 57, 65, 70, 75, 78, 91, 95, 98, 105, 114, 130, 133, 147, 150, 175, 182, 190, 195, 210, 245, 247, 266, 273, 285, 294, 325, 350, 390, 399, 455, 475, 490, 494, 525, 546, 570, 637, 650, 665, 735, 741, 798, 910, 931, 950, 975, 1050, 1225, 1235, 1274, 1330, 1365, 1425, 1470, 1482, 1729, 1862, 1911, 1950, 1995, 2275, 2450, 2470, 2730, 2793, 2850, 3185, 3325, 3458, 3675, 3705, 3822, 3990, 4550, 4655, 5187, 5586, 6175, 6370, 6650, 6825, 7350, 7410, 8645, 9310, 9555, 9975, 10374, 12103, 12350, 13650, 13965, 15925, 17290, 18525, 19110, 19950, 23275, 24206, 25935, 27930, 31850, 36309, 37050, 43225, 46550, 47775, 51870, 60515, 69825, 72618, 86450, 95550, 121030, 129675, 139650, 181545, 259350, 302575, 363090, 605150, 907725, 1815450]

約数ペア:

[(1, 1815450), (2, 907725), (3, 605150), (5, 363090), (6, 302575), (7, 259350), (10, 181545), (13, 139650), (14, 129675), (15, 121030), (19, 95550), (21, 86450), (25, 72618), (26, 69825), (30, 60515), (35, 51870), (38, 47775), (39, 46550), (42, 43225), (49, 37050), (50, 36309), (57, 31850), (65, 27930), (70, 25935), (75, 24206), (78, 23275), (91, 19950), (95, 19110), (98, 18525), (105, 17290), (114, 15925), (130, 13965), (133, 13650), (147, 12350), (150, 12103), (175, 10374), (182, 9975), (190, 9555), (195, 9310), (210, 8645), (245, 7410), (247, 7350), (266, 6825), (273, 6650), (285, 6370), (294, 6175), (325, 5586), (350, 5187), (390, 4655), (399, 4550), (455, 3990), (475, 3822), (490, 3705), (494, 3675), (525, 3458), (546, 3325), (570, 3185), (637, 2850), (650, 2793), (665, 2730), (735, 2470), (741, 2450), (798, 2275), (910, 1995), (931, 1950), (950, 1911), (975, 1862), (1050, 1729), (1225, 1482), (1235, 1470), (1274, 1425), (1330, 1365)]