12987450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 216

約数和(自身を含む): 44104320

約数和(自身を除く): 31116870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 25, 30, 31, 35, 38, 42, 45, 49, 50, 57, 62, 63, 70, 75, 90, 93, 95, 98, 105, 114, 126, 133, 147, 150, 155, 171, 175, 186, 190, 210, 217, 225, 245, 266, 279, 285, 294, 310, 315, 342, 350, 399, 434, 441, 450, 465, 475, 490, 525, 558, 570, 589, 630, 651, 665, 735, 775, 798, 855, 882, 930, 931, 950, 1050, 1085, 1178, 1197, 1225, 1302, 1330, 1395, 1425, 1470, 1519, 1550, 1575, 1710, 1767, 1862, 1953, 1995, 2170, 2205, 2325, 2394, 2450, 2790, 2793, 2850, 2945, 3038, 3150, 3255, 3325, 3534, 3675, 3906, 3990, 4123, 4275, 4410, 4557, 4650, 4655, 5301, 5425, 5586, 5890, 5985, 6510, 6650, 6975, 7350, 7595, 8246, 8379, 8550, 8835, 9114, 9310, 9765, 9975, 10602, 10850, 11025, 11970, 12369, 13671, 13950, 13965, 14725, 15190, 16275, 16758, 17670, 19530, 19950, 20615, 22050, 22785, 23275, 24738, 26505, 27342, 27930, 28861, 29450, 29925, 32550, 37107, 37975, 41230, 41895, 44175, 45570, 46550, 48825, 53010, 57722, 59850, 61845, 68355, 69825, 74214, 75950, 83790, 86583, 88350, 97650, 103075, 113925, 123690, 132525, 136710, 139650, 144305, 173166, 185535, 206150, 209475, 227850, 259749, 265050, 288610, 309225, 341775, 371070, 418950, 432915, 519498, 618450, 683550, 721525, 865830, 927675, 1298745, 1443050, 1855350, 2164575, 2597490, 4329150, 6493725, 12987450]

約数ペア:

[(1, 12987450), (2, 6493725), (3, 4329150), (5, 2597490), (6, 2164575), (7, 1855350), (9, 1443050), (10, 1298745), (14, 927675), (15, 865830), (18, 721525), (19, 683550), (21, 618450), (25, 519498), (30, 432915), (31, 418950), (35, 371070), (38, 341775), (42, 309225), (45, 288610), (49, 265050), (50, 259749), (57, 227850), (62, 209475), (63, 206150), (70, 185535), (75, 173166), (90, 144305), (93, 139650), (95, 136710), (98, 132525), (105, 123690), (114, 113925), (126, 103075), (133, 97650), (147, 88350), (150, 86583), (155, 83790), (171, 75950), (175, 74214), (186, 69825), (190, 68355), (210, 61845), (217, 59850), (225, 57722), (245, 53010), (266, 48825), (279, 46550), (285, 45570), (294, 44175), (310, 41895), (315, 41230), (342, 37975), (350, 37107), (399, 32550), (434, 29925), (441, 29450), (450, 28861), (465, 27930), (475, 27342), (490, 26505), (525, 24738), (558, 23275), (570, 22785), (589, 22050), (630, 20615), (651, 19950), (665, 19530), (735, 17670), (775, 16758), (798, 16275), (855, 15190), (882, 14725), (930, 13965), (931, 13950), (950, 13671), (1050, 12369), (1085, 11970), (1178, 11025), (1197, 10850), (1225, 10602), (1302, 9975), (1330, 9765), (1395, 9310), (1425, 9114), (1470, 8835), (1519, 8550), (1550, 8379), (1575, 8246), (1710, 7595), (1767, 7350), (1862, 6975), (1953, 6650), (1995, 6510), (2170, 5985), (2205, 5890), (2325, 5586), (2394, 5425), (2450, 5301), (2790, 4655), (2793, 4650), (2850, 4557), (2945, 4410), (3038, 4275), (3150, 4123), (3255, 3990), (3325, 3906), (3534, 3675)]