77878680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1439}}^1$

素因数の和:1505

約数の個数: 128

約数和(自身を含む): 261273600

約数和(自身を除く): 183394920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 41, 44, 55, 60, 66, 82, 88, 110, 120, 123, 132, 164, 165, 205, 220, 246, 264, 328, 330, 410, 440, 451, 492, 615, 660, 820, 902, 984, 1230, 1320, 1353, 1439, 1640, 1804, 2255, 2460, 2706, 2878, 3608, 4317, 4510, 4920, 5412, 5756, 6765, 7195, 8634, 9020, 10824, 11512, 13530, 14390, 15829, 17268, 18040, 21585, 27060, 28780, 31658, 34536, 43170, 47487, 54120, 57560, 58999, 63316, 79145, 86340, 94974, 117998, 126632, 158290, 172680, 176997, 189948, 235996, 237435, 294995, 316580, 353994, 379896, 471992, 474870, 589990, 633160, 648989, 707988, 884985, 949740, 1179980, 1297978, 1415976, 1769970, 1899480, 1946967, 2359960, 2595956, 3244945, 3539940, 3893934, 5191912, 6489890, 7079880, 7787868, 9734835, 12979780, 15575736, 19469670, 25959560, 38939340, 77878680]

約数ペア:

[(1, 77878680), (2, 38939340), (3, 25959560), (4, 19469670), (5, 15575736), (6, 12979780), (8, 9734835), (10, 7787868), (11, 7079880), (12, 6489890), (15, 5191912), (20, 3893934), (22, 3539940), (24, 3244945), (30, 2595956), (33, 2359960), (40, 1946967), (41, 1899480), (44, 1769970), (55, 1415976), (60, 1297978), (66, 1179980), (82, 949740), (88, 884985), (110, 707988), (120, 648989), (123, 633160), (132, 589990), (164, 474870), (165, 471992), (205, 379896), (220, 353994), (246, 316580), (264, 294995), (328, 237435), (330, 235996), (410, 189948), (440, 176997), (451, 172680), (492, 158290), (615, 126632), (660, 117998), (820, 94974), (902, 86340), (984, 79145), (1230, 63316), (1320, 58999), (1353, 57560), (1439, 54120), (1640, 47487), (1804, 43170), (2255, 34536), (2460, 31658), (2706, 28780), (2878, 27060), (3608, 21585), (4317, 18040), (4510, 17268), (4920, 15829), (5412, 14390), (5756, 13530), (6765, 11512), (7195, 10824), (8634, 9020)]