61309920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:353

約数の個数: 192

約数和(自身を含む): 224695296

約数和(自身を除く): 163385376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 96, 105, 112, 120, 140, 142, 160, 168, 210, 213, 224, 240, 257, 280, 284, 336, 355, 420, 426, 480, 497, 514, 560, 568, 672, 710, 771, 840, 852, 994, 1028, 1065, 1120, 1136, 1285, 1420, 1491, 1542, 1680, 1704, 1799, 1988, 2056, 2130, 2272, 2485, 2570, 2840, 2982, 3084, 3360, 3408, 3598, 3855, 3976, 4112, 4260, 4970, 5140, 5397, 5680, 5964, 6168, 6816, 7196, 7455, 7710, 7952, 8224, 8520, 8995, 9940, 10280, 10794, 11360, 11928, 12336, 14392, 14910, 15420, 15904, 17040, 17990, 18247, 19880, 20560, 21588, 23856, 24672, 26985, 28784, 29820, 30840, 34080, 35980, 36494, 39760, 41120, 43176, 47712, 53970, 54741, 57568, 59640, 61680, 71960, 72988, 79520, 86352, 91235, 107940, 109482, 119280, 123360, 127729, 143920, 145976, 172704, 182470, 215880, 218964, 238560, 255458, 273705, 287840, 291952, 364940, 383187, 431760, 437928, 510916, 547410, 583904, 638645, 729880, 766374, 863520, 875856, 1021832, 1094820, 1277290, 1459760, 1532748, 1751712, 1915935, 2043664, 2189640, 2554580, 2919520, 3065496, 3831870, 4087328, 4379280, 5109160, 6130992, 7663740, 8758560, 10218320, 12261984, 15327480, 20436640, 30654960, 61309920]

約数ペア:

[(1, 61309920), (2, 30654960), (3, 20436640), (4, 15327480), (5, 12261984), (6, 10218320), (7, 8758560), (8, 7663740), (10, 6130992), (12, 5109160), (14, 4379280), (15, 4087328), (16, 3831870), (20, 3065496), (21, 2919520), (24, 2554580), (28, 2189640), (30, 2043664), (32, 1915935), (35, 1751712), (40, 1532748), (42, 1459760), (48, 1277290), (56, 1094820), (60, 1021832), (70, 875856), (71, 863520), (80, 766374), (84, 729880), (96, 638645), (105, 583904), (112, 547410), (120, 510916), (140, 437928), (142, 431760), (160, 383187), (168, 364940), (210, 291952), (213, 287840), (224, 273705), (240, 255458), (257, 238560), (280, 218964), (284, 215880), (336, 182470), (355, 172704), (420, 145976), (426, 143920), (480, 127729), (497, 123360), (514, 119280), (560, 109482), (568, 107940), (672, 91235), (710, 86352), (771, 79520), (840, 72988), (852, 71960), (994, 61680), (1028, 59640), (1065, 57568), (1120, 54741), (1136, 53970), (1285, 47712), (1420, 43176), (1491, 41120), (1542, 39760), (1680, 36494), (1704, 35980), (1799, 34080), (1988, 30840), (2056, 29820), (2130, 28784), (2272, 26985), (2485, 24672), (2570, 23856), (2840, 21588), (2982, 20560), (3084, 19880), (3360, 18247), (3408, 17990), (3598, 17040), (3855, 15904), (3976, 15420), (4112, 14910), (4260, 14392), (4970, 12336), (5140, 11928), (5397, 11360), (5680, 10794), (5964, 10280), (6168, 9940), (6816, 8995), (7196, 8520), (7455, 8224), (7710, 7952)]