221700840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1083

約数の個数: 128

約数和(自身を含む): 698526720

約数和(自身を除く): 476825880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 155, 183, 186, 244, 248, 305, 310, 366, 372, 465, 488, 610, 620, 732, 744, 915, 930, 977, 1220, 1240, 1464, 1830, 1860, 1891, 1954, 2440, 2931, 3660, 3720, 3782, 3908, 4885, 5673, 5862, 7320, 7564, 7816, 9455, 9770, 11346, 11724, 14655, 15128, 18910, 19540, 22692, 23448, 28365, 29310, 30287, 37820, 39080, 45384, 56730, 58620, 59597, 60574, 75640, 90861, 113460, 117240, 119194, 121148, 151435, 178791, 181722, 226920, 238388, 242296, 297985, 302870, 357582, 363444, 454305, 476776, 595970, 605740, 715164, 726888, 893955, 908610, 1191940, 1211480, 1430328, 1787910, 1817220, 1847507, 2383880, 3575820, 3634440, 3695014, 5542521, 7151640, 7390028, 9237535, 11085042, 14780056, 18475070, 22170084, 27712605, 36950140, 44340168, 55425210, 73900280, 110850420, 221700840]

約数ペア:

[(1, 221700840), (2, 110850420), (3, 73900280), (4, 55425210), (5, 44340168), (6, 36950140), (8, 27712605), (10, 22170084), (12, 18475070), (15, 14780056), (20, 11085042), (24, 9237535), (30, 7390028), (31, 7151640), (40, 5542521), (60, 3695014), (61, 3634440), (62, 3575820), (93, 2383880), (120, 1847507), (122, 1817220), (124, 1787910), (155, 1430328), (183, 1211480), (186, 1191940), (244, 908610), (248, 893955), (305, 726888), (310, 715164), (366, 605740), (372, 595970), (465, 476776), (488, 454305), (610, 363444), (620, 357582), (732, 302870), (744, 297985), (915, 242296), (930, 238388), (977, 226920), (1220, 181722), (1240, 178791), (1464, 151435), (1830, 121148), (1860, 119194), (1891, 117240), (1954, 113460), (2440, 90861), (2931, 75640), (3660, 60574), (3720, 59597), (3782, 58620), (3908, 56730), (4885, 45384), (5673, 39080), (5862, 37820), (7320, 30287), (7564, 29310), (7816, 28365), (9455, 23448), (9770, 22692), (11346, 19540), (11724, 18910), (14655, 15128)]