55420560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:254

約数の個数: 240

約数和(自身を含む): 207986688

約数和(自身を除く): 152566128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 104, 117, 120, 124, 130, 144, 155, 156, 180, 186, 191, 195, 208, 234, 240, 248, 260, 279, 310, 312, 360, 372, 382, 390, 403, 465, 468, 496, 520, 558, 573, 585, 620, 624, 720, 744, 764, 780, 806, 930, 936, 955, 1040, 1116, 1146, 1170, 1209, 1240, 1395, 1488, 1528, 1560, 1612, 1719, 1860, 1872, 1910, 2015, 2232, 2292, 2340, 2418, 2480, 2483, 2790, 2865, 3056, 3120, 3224, 3438, 3627, 3720, 3820, 4030, 4464, 4584, 4680, 4836, 4966, 5580, 5730, 5921, 6045, 6448, 6876, 7254, 7440, 7449, 7640, 8060, 8595, 9168, 9360, 9672, 9932, 11160, 11460, 11842, 12090, 12415, 13752, 14508, 14898, 15280, 16120, 17190, 17763, 18135, 19344, 19864, 22320, 22347, 22920, 23684, 24180, 24830, 27504, 29016, 29605, 29796, 32240, 34380, 35526, 36270, 37245, 39728, 44694, 45840, 47368, 48360, 49660, 53289, 58032, 59210, 59592, 68760, 71052, 72540, 74490, 76973, 88815, 89388, 94736, 96720, 99320, 106578, 111735, 118420, 119184, 137520, 142104, 145080, 148980, 153946, 177630, 178776, 198640, 213156, 223470, 230919, 236840, 266445, 284208, 290160, 297960, 307892, 355260, 357552, 384865, 426312, 446940, 461838, 473680, 532890, 595920, 615784, 692757, 710520, 769730, 852624, 893880, 923676, 1065780, 1154595, 1231568, 1385514, 1421040, 1539460, 1787760, 1847352, 2131560, 2309190, 2771028, 3078920, 3463785, 3694704, 4263120, 4618380, 5542056, 6157840, 6927570, 9236760, 11084112, 13855140, 18473520, 27710280, 55420560]

約数ペア:

[(1, 55420560), (2, 27710280), (3, 18473520), (4, 13855140), (5, 11084112), (6, 9236760), (8, 6927570), (9, 6157840), (10, 5542056), (12, 4618380), (13, 4263120), (15, 3694704), (16, 3463785), (18, 3078920), (20, 2771028), (24, 2309190), (26, 2131560), (30, 1847352), (31, 1787760), (36, 1539460), (39, 1421040), (40, 1385514), (45, 1231568), (48, 1154595), (52, 1065780), (60, 923676), (62, 893880), (65, 852624), (72, 769730), (78, 710520), (80, 692757), (90, 615784), (93, 595920), (104, 532890), (117, 473680), (120, 461838), (124, 446940), (130, 426312), (144, 384865), (155, 357552), (156, 355260), (180, 307892), (186, 297960), (191, 290160), (195, 284208), (208, 266445), (234, 236840), (240, 230919), (248, 223470), (260, 213156), (279, 198640), (310, 178776), (312, 177630), (360, 153946), (372, 148980), (382, 145080), (390, 142104), (403, 137520), (465, 119184), (468, 118420), (496, 111735), (520, 106578), (558, 99320), (573, 96720), (585, 94736), (620, 89388), (624, 88815), (720, 76973), (744, 74490), (764, 72540), (780, 71052), (806, 68760), (930, 59592), (936, 59210), (955, 58032), (1040, 53289), (1116, 49660), (1146, 48360), (1170, 47368), (1209, 45840), (1240, 44694), (1395, 39728), (1488, 37245), (1528, 36270), (1560, 35526), (1612, 34380), (1719, 32240), (1860, 29796), (1872, 29605), (1910, 29016), (2015, 27504), (2232, 24830), (2292, 24180), (2340, 23684), (2418, 22920), (2480, 22347), (2483, 22320), (2790, 19864), (2865, 19344), (3056, 18135), (3120, 17763), (3224, 17190), (3438, 16120), (3627, 15280), (3720, 14898), (3820, 14508), (4030, 13752), (4464, 12415), (4584, 12090), (4680, 11842), (4836, 11460), (4966, 11160), (5580, 9932), (5730, 9672), (5921, 9360), (6045, 9168), (6448, 8595), (6876, 8060), (7254, 7640), (7440, 7449)]