660656220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11827}}^1$

素因数の和:11872

約数の個数: 144

約数和(自身を含む): 2265298560

約数和(自身を除く): 1604642340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3724, 3990, 4655, 5586, 7980, 9310, 11172, 11827, 13965, 18620, 23654, 27930, 35481, 47308, 55860, 59135, 70962, 82789, 118270, 141924, 165578, 177405, 224713, 236540, 248367, 331156, 354810, 413945, 449426, 496734, 579523, 674139, 709620, 827890, 898852, 993468, 1123565, 1159046, 1241835, 1348278, 1572991, 1655780, 1738569, 2247130, 2318092, 2483670, 2696556, 2897615, 3145982, 3370695, 3477138, 4494260, 4718973, 4967340, 5795230, 6291964, 6741390, 6954276, 7864955, 8692845, 9437946, 11010937, 11590460, 13482780, 15729910, 17385690, 18875892, 22021874, 23594865, 31459820, 33032811, 34771380, 44043748, 47189730, 55054685, 66065622, 94379460, 110109370, 132131244, 165164055, 220218740, 330328110, 660656220]

約数ペア:

[(1, 660656220), (2, 330328110), (3, 220218740), (4, 165164055), (5, 132131244), (6, 110109370), (7, 94379460), (10, 66065622), (12, 55054685), (14, 47189730), (15, 44043748), (19, 34771380), (20, 33032811), (21, 31459820), (28, 23594865), (30, 22021874), (35, 18875892), (38, 17385690), (42, 15729910), (49, 13482780), (57, 11590460), (60, 11010937), (70, 9437946), (76, 8692845), (84, 7864955), (95, 6954276), (98, 6741390), (105, 6291964), (114, 5795230), (133, 4967340), (140, 4718973), (147, 4494260), (190, 3477138), (196, 3370695), (210, 3145982), (228, 2897615), (245, 2696556), (266, 2483670), (285, 2318092), (294, 2247130), (380, 1738569), (399, 1655780), (420, 1572991), (490, 1348278), (532, 1241835), (570, 1159046), (588, 1123565), (665, 993468), (735, 898852), (798, 827890), (931, 709620), (980, 674139), (1140, 579523), (1330, 496734), (1470, 449426), (1596, 413945), (1862, 354810), (1995, 331156), (2660, 248367), (2793, 236540), (2940, 224713), (3724, 177405), (3990, 165578), (4655, 141924), (5586, 118270), (7980, 82789), (9310, 70962), (11172, 59135), (11827, 55860), (13965, 47308), (18620, 35481), (23654, 27930)]