64639890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1533

約数の個数: 128

約数和(自身を含む): 205701120

約数和(自身を除く): 141061230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 45, 46, 54, 63, 69, 70, 90, 105, 115, 126, 135, 138, 161, 189, 207, 210, 230, 270, 315, 322, 345, 378, 414, 483, 621, 630, 690, 805, 945, 966, 1035, 1242, 1449, 1487, 1610, 1890, 2070, 2415, 2898, 2974, 3105, 4347, 4461, 4830, 6210, 7245, 7435, 8694, 8922, 10409, 13383, 14490, 14870, 20818, 21735, 22305, 26766, 31227, 34201, 40149, 43470, 44610, 52045, 62454, 66915, 68402, 80298, 93681, 102603, 104090, 133830, 156135, 171005, 187362, 200745, 205206, 239407, 281043, 307809, 312270, 342010, 401490, 468405, 478814, 513015, 562086, 615618, 718221, 923427, 936810, 1026030, 1197035, 1405215, 1436442, 1539045, 1846854, 2154663, 2394070, 2810430, 3078090, 3591105, 4309326, 4617135, 6463989, 7182210, 9234270, 10773315, 12927978, 21546630, 32319945, 64639890]

約数ペア:

[(1, 64639890), (2, 32319945), (3, 21546630), (5, 12927978), (6, 10773315), (7, 9234270), (9, 7182210), (10, 6463989), (14, 4617135), (15, 4309326), (18, 3591105), (21, 3078090), (23, 2810430), (27, 2394070), (30, 2154663), (35, 1846854), (42, 1539045), (45, 1436442), (46, 1405215), (54, 1197035), (63, 1026030), (69, 936810), (70, 923427), (90, 718221), (105, 615618), (115, 562086), (126, 513015), (135, 478814), (138, 468405), (161, 401490), (189, 342010), (207, 312270), (210, 307809), (230, 281043), (270, 239407), (315, 205206), (322, 200745), (345, 187362), (378, 171005), (414, 156135), (483, 133830), (621, 104090), (630, 102603), (690, 93681), (805, 80298), (945, 68402), (966, 66915), (1035, 62454), (1242, 52045), (1449, 44610), (1487, 43470), (1610, 40149), (1890, 34201), (2070, 31227), (2415, 26766), (2898, 22305), (2974, 21735), (3105, 20818), (4347, 14870), (4461, 14490), (4830, 13383), (6210, 10409), (7245, 8922), (7435, 8694)]