61481640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1063

約数の個数: 128

約数和(自身を含む): 205701120

約数和(自身を除く): 144219480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 470, 517, 564, 660, 705, 940, 991, 1034, 1128, 1320, 1410, 1551, 1880, 1982, 2068, 2585, 2820, 2973, 3102, 3964, 4136, 4955, 5170, 5640, 5946, 6204, 7755, 7928, 9910, 10340, 10901, 11892, 12408, 14865, 15510, 19820, 20680, 21802, 23784, 29730, 31020, 32703, 39640, 43604, 46577, 54505, 59460, 62040, 65406, 87208, 93154, 109010, 118920, 130812, 139731, 163515, 186308, 218020, 232885, 261624, 279462, 327030, 372616, 436040, 465770, 512347, 558924, 654060, 698655, 931540, 1024694, 1117848, 1308120, 1397310, 1537041, 1863080, 2049388, 2561735, 2794620, 3074082, 4098776, 5123470, 5589240, 6148164, 7685205, 10246940, 12296328, 15370410, 20493880, 30740820, 61481640]

約数ペア:

[(1, 61481640), (2, 30740820), (3, 20493880), (4, 15370410), (5, 12296328), (6, 10246940), (8, 7685205), (10, 6148164), (11, 5589240), (12, 5123470), (15, 4098776), (20, 3074082), (22, 2794620), (24, 2561735), (30, 2049388), (33, 1863080), (40, 1537041), (44, 1397310), (47, 1308120), (55, 1117848), (60, 1024694), (66, 931540), (88, 698655), (94, 654060), (110, 558924), (120, 512347), (132, 465770), (141, 436040), (165, 372616), (188, 327030), (220, 279462), (235, 261624), (264, 232885), (282, 218020), (330, 186308), (376, 163515), (440, 139731), (470, 130812), (517, 118920), (564, 109010), (660, 93154), (705, 87208), (940, 65406), (991, 62040), (1034, 59460), (1128, 54505), (1320, 46577), (1410, 43604), (1551, 39640), (1880, 32703), (1982, 31020), (2068, 29730), (2585, 23784), (2820, 21802), (2973, 20680), (3102, 19820), (3964, 15510), (4136, 14865), (4955, 12408), (5170, 11892), (5640, 10901), (5946, 10340), (6204, 9910), (7755, 7928)]