81172260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:435

約数の個数: 192

約数和(自身を含む): 281487360

約数和(自身を除く): 200315100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 90, 93, 108, 117, 124, 130, 135, 155, 156, 180, 186, 195, 234, 260, 270, 279, 310, 351, 372, 373, 390, 403, 465, 468, 540, 558, 585, 620, 702, 746, 780, 806, 837, 930, 1116, 1119, 1170, 1209, 1395, 1404, 1492, 1612, 1674, 1755, 1860, 1865, 2015, 2238, 2340, 2418, 2790, 3348, 3357, 3510, 3627, 3730, 4030, 4185, 4476, 4836, 4849, 5580, 5595, 6045, 6714, 7020, 7254, 7460, 8060, 8370, 9698, 10071, 10881, 11190, 11563, 12090, 13428, 14508, 14547, 16740, 16785, 18135, 19396, 20142, 21762, 22380, 23126, 24180, 24245, 29094, 33570, 34689, 36270, 40284, 43524, 43641, 46252, 48490, 50355, 54405, 57815, 58188, 67140, 69378, 72540, 72735, 87282, 96980, 100710, 104067, 108810, 115630, 130923, 138756, 145470, 150319, 173445, 174564, 201420, 208134, 217620, 218205, 231260, 261846, 290940, 300638, 312201, 346890, 416268, 436410, 450957, 520335, 523692, 601276, 624402, 654615, 693780, 751595, 872820, 901914, 1040670, 1248804, 1309230, 1352871, 1503190, 1561005, 1803828, 2081340, 2254785, 2618460, 2705742, 3006380, 3122010, 4058613, 4509570, 5411484, 6244020, 6764355, 8117226, 9019140, 13528710, 16234452, 20293065, 27057420, 40586130, 81172260]

約数ペア:

[(1, 81172260), (2, 40586130), (3, 27057420), (4, 20293065), (5, 16234452), (6, 13528710), (9, 9019140), (10, 8117226), (12, 6764355), (13, 6244020), (15, 5411484), (18, 4509570), (20, 4058613), (26, 3122010), (27, 3006380), (30, 2705742), (31, 2618460), (36, 2254785), (39, 2081340), (45, 1803828), (52, 1561005), (54, 1503190), (60, 1352871), (62, 1309230), (65, 1248804), (78, 1040670), (90, 901914), (93, 872820), (108, 751595), (117, 693780), (124, 654615), (130, 624402), (135, 601276), (155, 523692), (156, 520335), (180, 450957), (186, 436410), (195, 416268), (234, 346890), (260, 312201), (270, 300638), (279, 290940), (310, 261846), (351, 231260), (372, 218205), (373, 217620), (390, 208134), (403, 201420), (465, 174564), (468, 173445), (540, 150319), (558, 145470), (585, 138756), (620, 130923), (702, 115630), (746, 108810), (780, 104067), (806, 100710), (837, 96980), (930, 87282), (1116, 72735), (1119, 72540), (1170, 69378), (1209, 67140), (1395, 58188), (1404, 57815), (1492, 54405), (1612, 50355), (1674, 48490), (1755, 46252), (1860, 43641), (1865, 43524), (2015, 40284), (2238, 36270), (2340, 34689), (2418, 33570), (2790, 29094), (3348, 24245), (3357, 24180), (3510, 23126), (3627, 22380), (3730, 21762), (4030, 20142), (4185, 19396), (4476, 18135), (4836, 16785), (4849, 16740), (5580, 14547), (5595, 14508), (6045, 13428), (6714, 12090), (7020, 11563), (7254, 11190), (7460, 10881), (8060, 10071), (8370, 9698)]