288878460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:988

約数の個数: 144

約数和(自身を含む): 905103360

約数和(自身を除く): 616224900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 310, 338, 372, 390, 403, 465, 507, 620, 676, 780, 806, 845, 919, 930, 1014, 1209, 1612, 1690, 1838, 1860, 2015, 2028, 2418, 2535, 2757, 3380, 3676, 4030, 4595, 4836, 5070, 5239, 5514, 6045, 8060, 9190, 10140, 10478, 11028, 11947, 12090, 13785, 15717, 18380, 20956, 23894, 24180, 26195, 27570, 28489, 31434, 35841, 47788, 52390, 55140, 56978, 59735, 62868, 71682, 78585, 85467, 104780, 113956, 119470, 142445, 143364, 155311, 157170, 170934, 179205, 238940, 284890, 310622, 314340, 341868, 358410, 370357, 427335, 465933, 569780, 621244, 716820, 740714, 776555, 854670, 931866, 1111071, 1481428, 1553110, 1709340, 1851785, 1863732, 2222142, 2329665, 3106220, 3703570, 4444284, 4659330, 4814641, 5555355, 7407140, 9318660, 9629282, 11110710, 14443923, 19258564, 22221420, 24073205, 28887846, 48146410, 57775692, 72219615, 96292820, 144439230, 288878460]

約数ペア:

[(1, 288878460), (2, 144439230), (3, 96292820), (4, 72219615), (5, 57775692), (6, 48146410), (10, 28887846), (12, 24073205), (13, 22221420), (15, 19258564), (20, 14443923), (26, 11110710), (30, 9629282), (31, 9318660), (39, 7407140), (52, 5555355), (60, 4814641), (62, 4659330), (65, 4444284), (78, 3703570), (93, 3106220), (124, 2329665), (130, 2222142), (155, 1863732), (156, 1851785), (169, 1709340), (186, 1553110), (195, 1481428), (260, 1111071), (310, 931866), (338, 854670), (372, 776555), (390, 740714), (403, 716820), (465, 621244), (507, 569780), (620, 465933), (676, 427335), (780, 370357), (806, 358410), (845, 341868), (919, 314340), (930, 310622), (1014, 284890), (1209, 238940), (1612, 179205), (1690, 170934), (1838, 157170), (1860, 155311), (2015, 143364), (2028, 142445), (2418, 119470), (2535, 113956), (2757, 104780), (3380, 85467), (3676, 78585), (4030, 71682), (4595, 62868), (4836, 59735), (5070, 56978), (5239, 55140), (5514, 52390), (6045, 47788), (8060, 35841), (9190, 31434), (10140, 28489), (10478, 27570), (11028, 26195), (11947, 24180), (12090, 23894), (13785, 20956), (15717, 18380)]