123807180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 192

約数和(自身を含む): 421650432

約数和(自身を除く): 297843252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 37, 42, 60, 62, 70, 74, 84, 93, 105, 111, 124, 140, 148, 155, 185, 186, 210, 217, 222, 257, 259, 310, 370, 372, 420, 434, 444, 465, 514, 518, 555, 620, 651, 740, 771, 777, 868, 930, 1028, 1036, 1085, 1110, 1147, 1285, 1295, 1302, 1542, 1554, 1799, 1860, 2170, 2220, 2294, 2570, 2590, 2604, 3084, 3108, 3255, 3441, 3598, 3855, 3885, 4340, 4588, 5140, 5180, 5397, 5735, 6510, 6882, 7196, 7710, 7770, 7967, 8029, 8995, 9509, 10794, 11470, 13020, 13764, 15420, 15540, 15934, 16058, 17205, 17990, 19018, 21588, 22940, 23901, 24087, 26985, 28527, 31868, 32116, 34410, 35980, 38036, 39835, 40145, 47545, 47802, 48174, 53970, 55769, 57054, 66563, 68820, 79670, 80290, 95090, 95604, 96348, 107940, 111538, 114108, 119505, 120435, 133126, 142635, 159340, 160580, 167307, 190180, 199689, 223076, 239010, 240870, 266252, 278845, 285270, 294779, 332815, 334614, 399378, 478020, 481740, 557690, 570540, 589558, 665630, 669228, 798756, 836535, 884337, 998445, 1115380, 1179116, 1331260, 1473895, 1673070, 1768674, 1996890, 2063453, 2947790, 3346140, 3537348, 3993780, 4126906, 4421685, 5895580, 6190359, 8253812, 8843370, 10317265, 12380718, 17686740, 20634530, 24761436, 30951795, 41269060, 61903590, 123807180]

約数ペア:

[(1, 123807180), (2, 61903590), (3, 41269060), (4, 30951795), (5, 24761436), (6, 20634530), (7, 17686740), (10, 12380718), (12, 10317265), (14, 8843370), (15, 8253812), (20, 6190359), (21, 5895580), (28, 4421685), (30, 4126906), (31, 3993780), (35, 3537348), (37, 3346140), (42, 2947790), (60, 2063453), (62, 1996890), (70, 1768674), (74, 1673070), (84, 1473895), (93, 1331260), (105, 1179116), (111, 1115380), (124, 998445), (140, 884337), (148, 836535), (155, 798756), (185, 669228), (186, 665630), (210, 589558), (217, 570540), (222, 557690), (257, 481740), (259, 478020), (310, 399378), (370, 334614), (372, 332815), (420, 294779), (434, 285270), (444, 278845), (465, 266252), (514, 240870), (518, 239010), (555, 223076), (620, 199689), (651, 190180), (740, 167307), (771, 160580), (777, 159340), (868, 142635), (930, 133126), (1028, 120435), (1036, 119505), (1085, 114108), (1110, 111538), (1147, 107940), (1285, 96348), (1295, 95604), (1302, 95090), (1542, 80290), (1554, 79670), (1799, 68820), (1860, 66563), (2170, 57054), (2220, 55769), (2294, 53970), (2570, 48174), (2590, 47802), (2604, 47545), (3084, 40145), (3108, 39835), (3255, 38036), (3441, 35980), (3598, 34410), (3855, 32116), (3885, 31868), (4340, 28527), (4588, 26985), (5140, 24087), (5180, 23901), (5397, 22940), (5735, 21588), (6510, 19018), (6882, 17990), (7196, 17205), (7710, 16058), (7770, 15934), (7967, 15540), (8029, 15420), (8995, 13764), (9509, 13020), (10794, 11470)]