72221072

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 183220416

約数和(自身を除く): 110999344

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 61, 62, 77, 88, 112, 122, 124, 154, 176, 217, 244, 248, 308, 341, 427, 434, 488, 496, 616, 671, 682, 854, 868, 961, 976, 1232, 1342, 1364, 1708, 1736, 1891, 1922, 2387, 2684, 2728, 3416, 3472, 3782, 3844, 4697, 4774, 5368, 5456, 6727, 6832, 7564, 7688, 9394, 9548, 10571, 10736, 13237, 13454, 15128, 15376, 18788, 19096, 20801, 21142, 26474, 26908, 30256, 37576, 38192, 41602, 42284, 52948, 53816, 58621, 73997, 75152, 83204, 84568, 105896, 107632, 117242, 145607, 147994, 166408, 169136, 211792, 234484, 291214, 295988, 332816, 410347, 468968, 582428, 591976, 644831, 820694, 937936, 1164856, 1183952, 1289662, 1641388, 2329712, 2579324, 3282776, 4513817, 5158648, 6565552, 9027634, 10317296, 18055268, 36110536, 72221072]

約数ペア:

[(1, 72221072), (2, 36110536), (4, 18055268), (7, 10317296), (8, 9027634), (11, 6565552), (14, 5158648), (16, 4513817), (22, 3282776), (28, 2579324), (31, 2329712), (44, 1641388), (56, 1289662), (61, 1183952), (62, 1164856), (77, 937936), (88, 820694), (112, 644831), (122, 591976), (124, 582428), (154, 468968), (176, 410347), (217, 332816), (244, 295988), (248, 291214), (308, 234484), (341, 211792), (427, 169136), (434, 166408), (488, 147994), (496, 145607), (616, 117242), (671, 107632), (682, 105896), (854, 84568), (868, 83204), (961, 75152), (976, 73997), (1232, 58621), (1342, 53816), (1364, 52948), (1708, 42284), (1736, 41602), (1891, 38192), (1922, 37576), (2387, 30256), (2684, 26908), (2728, 26474), (3416, 21142), (3472, 20801), (3782, 19096), (3844, 18788), (4697, 15376), (4774, 15128), (5368, 13454), (5456, 13237), (6727, 10736), (6832, 10571), (7564, 9548), (7688, 9394)]