138519780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10639}}^1$

素因数の和:10689

約数の個数: 96

約数和(自身を含む): 457605120

約数和(自身を除く): 319085340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 10639, 13020, 21278, 31917, 42556, 53195, 63834, 74473, 106390, 127668, 148946, 159585, 212780, 223419, 297892, 319170, 329809, 372365, 446838, 638340, 659618, 744730, 893676, 989427, 1117095, 1319236, 1489460, 1649045, 1978854, 2234190, 2308663, 3298090, 3957708, 4468380, 4617326, 4947135, 6596180, 6925989, 9234652, 9894270, 11543315, 13851978, 19788540, 23086630, 27703956, 34629945, 46173260, 69259890, 138519780]

約数ペア:

[(1, 138519780), (2, 69259890), (3, 46173260), (4, 34629945), (5, 27703956), (6, 23086630), (7, 19788540), (10, 13851978), (12, 11543315), (14, 9894270), (15, 9234652), (20, 6925989), (21, 6596180), (28, 4947135), (30, 4617326), (31, 4468380), (35, 3957708), (42, 3298090), (60, 2308663), (62, 2234190), (70, 1978854), (84, 1649045), (93, 1489460), (105, 1319236), (124, 1117095), (140, 989427), (155, 893676), (186, 744730), (210, 659618), (217, 638340), (310, 446838), (372, 372365), (420, 329809), (434, 319170), (465, 297892), (620, 223419), (651, 212780), (868, 159585), (930, 148946), (1085, 127668), (1302, 106390), (1860, 74473), (2170, 63834), (2604, 53195), (3255, 42556), (4340, 31917), (6510, 21278), (10639, 13020)]