66738320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 170614080

約数和(自身を除く): 103875760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 181, 220, 362, 419, 440, 724, 838, 880, 905, 1448, 1676, 1810, 1991, 2095, 2896, 3352, 3620, 3982, 4190, 4609, 6704, 7240, 7964, 8380, 9218, 9955, 14480, 15928, 16760, 18436, 19910, 23045, 31856, 33520, 36872, 39820, 46090, 73744, 75839, 79640, 92180, 151678, 159280, 184360, 303356, 368720, 379195, 606712, 758390, 834229, 1213424, 1516780, 1668458, 3033560, 3336916, 4171145, 6067120, 6673832, 8342290, 13347664, 16684580, 33369160, 66738320]

約数ペア:

[(1, 66738320), (2, 33369160), (4, 16684580), (5, 13347664), (8, 8342290), (10, 6673832), (11, 6067120), (16, 4171145), (20, 3336916), (22, 3033560), (40, 1668458), (44, 1516780), (55, 1213424), (80, 834229), (88, 758390), (110, 606712), (176, 379195), (181, 368720), (220, 303356), (362, 184360), (419, 159280), (440, 151678), (724, 92180), (838, 79640), (880, 75839), (905, 73744), (1448, 46090), (1676, 39820), (1810, 36872), (1991, 33520), (2095, 31856), (2896, 23045), (3352, 19910), (3620, 18436), (3982, 16760), (4190, 15928), (4609, 14480), (6704, 9955), (7240, 9218), (7964, 8380)]