65855760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{829}}^1$

素因数の和:1176

約数の個数: 80

約数和(自身を含む): 205016640

約数和(自身を除く): 139160880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 662, 829, 993, 1324, 1655, 1658, 1986, 2487, 2648, 3310, 3316, 3972, 4145, 4965, 4974, 5296, 6620, 6632, 7944, 8290, 9930, 9948, 12435, 13240, 13264, 15888, 16580, 19860, 19896, 24870, 26480, 33160, 39720, 39792, 49740, 66320, 79440, 99480, 198960, 274399, 548798, 823197, 1097596, 1371995, 1646394, 2195192, 2743990, 3292788, 4115985, 4390384, 5487980, 6585576, 8231970, 10975960, 13171152, 16463940, 21951920, 32927880, 65855760]

約数ペア:

[(1, 65855760), (2, 32927880), (3, 21951920), (4, 16463940), (5, 13171152), (6, 10975960), (8, 8231970), (10, 6585576), (12, 5487980), (15, 4390384), (16, 4115985), (20, 3292788), (24, 2743990), (30, 2195192), (40, 1646394), (48, 1371995), (60, 1097596), (80, 823197), (120, 548798), (240, 274399), (331, 198960), (662, 99480), (829, 79440), (993, 66320), (1324, 49740), (1655, 39792), (1658, 39720), (1986, 33160), (2487, 26480), (2648, 24870), (3310, 19896), (3316, 19860), (3972, 16580), (4145, 15888), (4965, 13264), (4974, 13240), (5296, 12435), (6620, 9948), (6632, 9930), (7944, 8290)]