145455720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:747

約数の個数: 128

約数和(自身を含む): 458542080

約数和(自身を除く): 313086360

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, 641, 732, 744, 915, 930, 1220, 1240, 1282, 1464, 1830, 1860, 1891, 1923, 2440, 2564, 3205, 3660, 3720, 3782, 3846, 5128, 5673, 6410, 7320, 7564, 7692, 9455, 9615, 11346, 12820, 15128, 15384, 18910, 19230, 19871, 22692, 25640, 28365, 37820, 38460, 39101, 39742, 45384, 56730, 59613, 75640, 76920, 78202, 79484, 99355, 113460, 117303, 119226, 156404, 158968, 195505, 198710, 226920, 234606, 238452, 298065, 312808, 391010, 397420, 469212, 476904, 586515, 596130, 782020, 794840, 938424, 1173030, 1192260, 1212131, 1564040, 2346060, 2384520, 2424262, 3636393, 4692120, 4848524, 6060655, 7272786, 9697048, 12121310, 14545572, 18181965, 24242620, 29091144, 36363930, 48485240, 72727860, 145455720]

約数ペア:

[(1, 145455720), (2, 72727860), (3, 48485240), (4, 36363930), (5, 29091144), (6, 24242620), (8, 18181965), (10, 14545572), (12, 12121310), (15, 9697048), (20, 7272786), (24, 6060655), (30, 4848524), (31, 4692120), (40, 3636393), (60, 2424262), (61, 2384520), (62, 2346060), (93, 1564040), (120, 1212131), (122, 1192260), (124, 1173030), (155, 938424), (183, 794840), (186, 782020), (244, 596130), (248, 586515), (305, 476904), (310, 469212), (366, 397420), (372, 391010), (465, 312808), (488, 298065), (610, 238452), (620, 234606), (641, 226920), (732, 198710), (744, 195505), (915, 158968), (930, 156404), (1220, 119226), (1240, 117303), (1282, 113460), (1464, 99355), (1830, 79484), (1860, 78202), (1891, 76920), (1923, 75640), (2440, 59613), (2564, 56730), (3205, 45384), (3660, 39742), (3720, 39101), (3782, 38460), (3846, 37820), (5128, 28365), (5673, 25640), (6410, 22692), (7320, 19871), (7564, 19230), (7692, 18910), (9455, 15384), (9615, 15128), (11346, 12820)]