28580760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 103783680

約数和(自身を除く): 75202920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 180, 186, 195, 197, 234, 248, 260, 279, 310, 312, 360, 372, 390, 394, 403, 465, 468, 520, 558, 585, 591, 620, 744, 780, 788, 806, 930, 936, 985, 1116, 1170, 1182, 1209, 1240, 1395, 1560, 1576, 1612, 1773, 1860, 1970, 2015, 2232, 2340, 2364, 2418, 2561, 2790, 2955, 3224, 3546, 3627, 3720, 3940, 4030, 4680, 4728, 4836, 5122, 5580, 5910, 6045, 6107, 7092, 7254, 7683, 7880, 8060, 8865, 9672, 10244, 11160, 11820, 12090, 12214, 12805, 14184, 14508, 15366, 16120, 17730, 18135, 18321, 20488, 23049, 23640, 24180, 24428, 25610, 29016, 30535, 30732, 35460, 36270, 36642, 38415, 46098, 48360, 48856, 51220, 54963, 61070, 61464, 70920, 72540, 73284, 76830, 79391, 91605, 92196, 102440, 109926, 115245, 122140, 145080, 146568, 153660, 158782, 183210, 184392, 219852, 230490, 238173, 244280, 274815, 307320, 317564, 366420, 396955, 439704, 460980, 476346, 549630, 635128, 714519, 732840, 793910, 921960, 952692, 1099260, 1190865, 1429038, 1587820, 1905384, 2198520, 2381730, 2858076, 3175640, 3572595, 4763460, 5716152, 7145190, 9526920, 14290380, 28580760]

約数ペア:

[(1, 28580760), (2, 14290380), (3, 9526920), (4, 7145190), (5, 5716152), (6, 4763460), (8, 3572595), (9, 3175640), (10, 2858076), (12, 2381730), (13, 2198520), (15, 1905384), (18, 1587820), (20, 1429038), (24, 1190865), (26, 1099260), (30, 952692), (31, 921960), (36, 793910), (39, 732840), (40, 714519), (45, 635128), (52, 549630), (60, 476346), (62, 460980), (65, 439704), (72, 396955), (78, 366420), (90, 317564), (93, 307320), (104, 274815), (117, 244280), (120, 238173), (124, 230490), (130, 219852), (155, 184392), (156, 183210), (180, 158782), (186, 153660), (195, 146568), (197, 145080), (234, 122140), (248, 115245), (260, 109926), (279, 102440), (310, 92196), (312, 91605), (360, 79391), (372, 76830), (390, 73284), (394, 72540), (403, 70920), (465, 61464), (468, 61070), (520, 54963), (558, 51220), (585, 48856), (591, 48360), (620, 46098), (744, 38415), (780, 36642), (788, 36270), (806, 35460), (930, 30732), (936, 30535), (985, 29016), (1116, 25610), (1170, 24428), (1182, 24180), (1209, 23640), (1240, 23049), (1395, 20488), (1560, 18321), (1576, 18135), (1612, 17730), (1773, 16120), (1860, 15366), (1970, 14508), (2015, 14184), (2232, 12805), (2340, 12214), (2364, 12090), (2418, 11820), (2561, 11160), (2790, 10244), (2955, 9672), (3224, 8865), (3546, 8060), (3627, 7880), (3720, 7683), (3940, 7254), (4030, 7092), (4680, 6107), (4728, 6045), (4836, 5910), (5122, 5580)]