61566540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 205615872

約数和(自身を除く): 144049332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 420, 430, 487, 490, 516, 588, 602, 645, 735, 860, 903, 974, 980, 1204, 1290, 1461, 1470, 1505, 1806, 1948, 2107, 2435, 2580, 2922, 2940, 3010, 3409, 3612, 4214, 4515, 4870, 5844, 6020, 6321, 6818, 7305, 8428, 9030, 9740, 10227, 10535, 12642, 13636, 14610, 17045, 18060, 20454, 20941, 21070, 23863, 25284, 29220, 31605, 34090, 40908, 41882, 42140, 47726, 51135, 62823, 63210, 68180, 71589, 83764, 95452, 102270, 104705, 119315, 125646, 126420, 143178, 146587, 204540, 209410, 238630, 251292, 286356, 293174, 314115, 357945, 418820, 439761, 477260, 586348, 628230, 715890, 732935, 879522, 1026109, 1256460, 1431780, 1465870, 1759044, 2052218, 2198805, 2931740, 3078327, 4104436, 4397610, 5130545, 6156654, 8795220, 10261090, 12313308, 15391635, 20522180, 30783270, 61566540]

約数ペア:

[(1, 61566540), (2, 30783270), (3, 20522180), (4, 15391635), (5, 12313308), (6, 10261090), (7, 8795220), (10, 6156654), (12, 5130545), (14, 4397610), (15, 4104436), (20, 3078327), (21, 2931740), (28, 2198805), (30, 2052218), (35, 1759044), (42, 1465870), (43, 1431780), (49, 1256460), (60, 1026109), (70, 879522), (84, 732935), (86, 715890), (98, 628230), (105, 586348), (129, 477260), (140, 439761), (147, 418820), (172, 357945), (196, 314115), (210, 293174), (215, 286356), (245, 251292), (258, 238630), (294, 209410), (301, 204540), (420, 146587), (430, 143178), (487, 126420), (490, 125646), (516, 119315), (588, 104705), (602, 102270), (645, 95452), (735, 83764), (860, 71589), (903, 68180), (974, 63210), (980, 62823), (1204, 51135), (1290, 47726), (1461, 42140), (1470, 41882), (1505, 40908), (1806, 34090), (1948, 31605), (2107, 29220), (2435, 25284), (2580, 23863), (2922, 21070), (2940, 20941), (3010, 20454), (3409, 18060), (3612, 17045), (4214, 14610), (4515, 13636), (4870, 12642), (5844, 10535), (6020, 10227), (6321, 9740), (6818, 9030), (7305, 8428)]