219504840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:423

約数の個数: 128

約数和(自身を含む): 677099520

約数和(自身を除く): 457594680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 157, 183, 191, 244, 305, 314, 366, 382, 471, 488, 573, 610, 628, 732, 764, 785, 915, 942, 955, 1146, 1220, 1256, 1464, 1528, 1570, 1830, 1884, 1910, 2292, 2355, 2440, 2865, 3140, 3660, 3768, 3820, 4584, 4710, 5730, 6280, 7320, 7640, 9420, 9577, 11460, 11651, 18840, 19154, 22920, 23302, 28731, 29987, 34953, 38308, 46604, 47885, 57462, 58255, 59974, 69906, 76616, 89961, 93208, 95770, 114924, 116510, 119948, 139812, 143655, 149935, 174765, 179922, 191540, 229848, 233020, 239896, 279624, 287310, 299870, 349530, 359844, 383080, 449805, 466040, 574620, 599740, 699060, 719688, 899610, 1149240, 1199480, 1398120, 1799220, 1829207, 3598440, 3658414, 5487621, 7316828, 9146035, 10975242, 14633656, 18292070, 21950484, 27438105, 36584140, 43900968, 54876210, 73168280, 109752420, 219504840]

約数ペア:

[(1, 219504840), (2, 109752420), (3, 73168280), (4, 54876210), (5, 43900968), (6, 36584140), (8, 27438105), (10, 21950484), (12, 18292070), (15, 14633656), (20, 10975242), (24, 9146035), (30, 7316828), (40, 5487621), (60, 3658414), (61, 3598440), (120, 1829207), (122, 1799220), (157, 1398120), (183, 1199480), (191, 1149240), (244, 899610), (305, 719688), (314, 699060), (366, 599740), (382, 574620), (471, 466040), (488, 449805), (573, 383080), (610, 359844), (628, 349530), (732, 299870), (764, 287310), (785, 279624), (915, 239896), (942, 233020), (955, 229848), (1146, 191540), (1220, 179922), (1256, 174765), (1464, 149935), (1528, 143655), (1570, 139812), (1830, 119948), (1884, 116510), (1910, 114924), (2292, 95770), (2355, 93208), (2440, 89961), (2865, 76616), (3140, 69906), (3660, 59974), (3768, 58255), (3820, 57462), (4584, 47885), (4710, 46604), (5730, 38308), (6280, 34953), (7320, 29987), (7640, 28731), (9420, 23302), (9577, 22920), (11460, 19154), (11651, 18840)]