208895280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1181}}^1$

素因数の和:1275

約数の個数: 160

約数和(自身を含む): 717596928

約数和(自身を除く): 508701648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 67, 80, 88, 110, 120, 132, 134, 165, 176, 201, 220, 240, 264, 268, 330, 335, 402, 440, 528, 536, 660, 670, 737, 804, 880, 1005, 1072, 1181, 1320, 1340, 1474, 1608, 2010, 2211, 2362, 2640, 2680, 2948, 3216, 3543, 3685, 4020, 4422, 4724, 5360, 5896, 5905, 7086, 7370, 8040, 8844, 9448, 11055, 11792, 11810, 12991, 14172, 14740, 16080, 17688, 17715, 18896, 22110, 23620, 25982, 28344, 29480, 35376, 35430, 38973, 44220, 47240, 51964, 56688, 58960, 64955, 70860, 77946, 79127, 88440, 94480, 103928, 129910, 141720, 155892, 158254, 176880, 194865, 207856, 237381, 259820, 283440, 311784, 316508, 389730, 395635, 474762, 519640, 623568, 633016, 779460, 791270, 870397, 949524, 1039280, 1186905, 1266032, 1558920, 1582540, 1740794, 1899048, 2373810, 2611191, 3117840, 3165080, 3481588, 3798096, 4351985, 4747620, 5222382, 6330160, 6963176, 8703970, 9495240, 10444764, 13055955, 13926352, 17407940, 18990480, 20889528, 26111910, 34815880, 41779056, 52223820, 69631760, 104447640, 208895280]

約数ペア:

[(1, 208895280), (2, 104447640), (3, 69631760), (4, 52223820), (5, 41779056), (6, 34815880), (8, 26111910), (10, 20889528), (11, 18990480), (12, 17407940), (15, 13926352), (16, 13055955), (20, 10444764), (22, 9495240), (24, 8703970), (30, 6963176), (33, 6330160), (40, 5222382), (44, 4747620), (48, 4351985), (55, 3798096), (60, 3481588), (66, 3165080), (67, 3117840), (80, 2611191), (88, 2373810), (110, 1899048), (120, 1740794), (132, 1582540), (134, 1558920), (165, 1266032), (176, 1186905), (201, 1039280), (220, 949524), (240, 870397), (264, 791270), (268, 779460), (330, 633016), (335, 623568), (402, 519640), (440, 474762), (528, 395635), (536, 389730), (660, 316508), (670, 311784), (737, 283440), (804, 259820), (880, 237381), (1005, 207856), (1072, 194865), (1181, 176880), (1320, 158254), (1340, 155892), (1474, 141720), (1608, 129910), (2010, 103928), (2211, 94480), (2362, 88440), (2640, 79127), (2680, 77946), (2948, 70860), (3216, 64955), (3543, 58960), (3685, 56688), (4020, 51964), (4422, 47240), (4724, 44220), (5360, 38973), (5896, 35430), (5905, 35376), (7086, 29480), (7370, 28344), (8040, 25982), (8844, 23620), (9448, 22110), (11055, 18896), (11792, 17715), (11810, 17688), (12991, 16080), (14172, 14740)]