668199420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{17107}}^1$

素因数の和:17160

約数の個数: 144

約数和(自身を含む): 2391287808

約数和(自身を除く): 1723088388

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 9765, 13020, 17107, 19530, 34214, 39060, 51321, 68428, 85535, 102642, 119749, 153963, 171070, 205284, 239498, 256605, 307926, 342140, 359247, 478996, 513210, 530317, 598745, 615852, 718494, 769815, 1026420, 1060634, 1077741, 1197490, 1436988, 1539630, 1590951, 1796235, 2121268, 2155482, 2394980, 2651585, 3079260, 3181902, 3592470, 3712219, 4310964, 4772853, 5303170, 5388705, 6363804, 7184940, 7424438, 7954755, 9545706, 10606340, 10777410, 11136657, 14848876, 15909510, 18561095, 19091412, 21554820, 22273314, 23864265, 31819020, 33409971, 37122190, 44546628, 47728530, 55683285, 66819942, 74244380, 95457060, 111366570, 133639884, 167049855, 222733140, 334099710, 668199420]

約数ペア:

[(1, 668199420), (2, 334099710), (3, 222733140), (4, 167049855), (5, 133639884), (6, 111366570), (7, 95457060), (9, 74244380), (10, 66819942), (12, 55683285), (14, 47728530), (15, 44546628), (18, 37122190), (20, 33409971), (21, 31819020), (28, 23864265), (30, 22273314), (31, 21554820), (35, 19091412), (36, 18561095), (42, 15909510), (45, 14848876), (60, 11136657), (62, 10777410), (63, 10606340), (70, 9545706), (84, 7954755), (90, 7424438), (93, 7184940), (105, 6363804), (124, 5388705), (126, 5303170), (140, 4772853), (155, 4310964), (180, 3712219), (186, 3592470), (210, 3181902), (217, 3079260), (252, 2651585), (279, 2394980), (310, 2155482), (315, 2121268), (372, 1796235), (420, 1590951), (434, 1539630), (465, 1436988), (558, 1197490), (620, 1077741), (630, 1060634), (651, 1026420), (868, 769815), (930, 718494), (1085, 615852), (1116, 598745), (1260, 530317), (1302, 513210), (1395, 478996), (1860, 359247), (1953, 342140), (2170, 307926), (2604, 256605), (2790, 239498), (3255, 205284), (3906, 171070), (4340, 153963), (5580, 119749), (6510, 102642), (7812, 85535), (9765, 68428), (13020, 51321), (17107, 39060), (19530, 34214)]