257226840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 320

約数和(自身を含む): 965986560

約数和(自身を除く): 708759720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 52, 54, 60, 62, 65, 72, 78, 81, 90, 93, 104, 108, 117, 120, 124, 130, 135, 155, 156, 162, 180, 186, 195, 197, 216, 234, 248, 260, 270, 279, 310, 312, 324, 351, 360, 372, 390, 394, 403, 405, 465, 468, 520, 540, 558, 585, 591, 620, 648, 702, 744, 780, 788, 806, 810, 837, 930, 936, 985, 1053, 1080, 1116, 1170, 1182, 1209, 1240, 1395, 1404, 1560, 1576, 1612, 1620, 1674, 1755, 1773, 1860, 1970, 2015, 2106, 2232, 2340, 2364, 2418, 2511, 2561, 2790, 2808, 2955, 3224, 3240, 3348, 3510, 3546, 3627, 3720, 3940, 4030, 4185, 4212, 4680, 4728, 4836, 5022, 5122, 5265, 5319, 5580, 5910, 6045, 6107, 6696, 7020, 7092, 7254, 7683, 7880, 8060, 8370, 8424, 8865, 9672, 10044, 10244, 10530, 10638, 10881, 11160, 11820, 12090, 12214, 12555, 12805, 14040, 14184, 14508, 15366, 15957, 16120, 16740, 17730, 18135, 18321, 20088, 20488, 21060, 21276, 21762, 23049, 23640, 24180, 24428, 25110, 25610, 26595, 29016, 30535, 30732, 31914, 32643, 33480, 35460, 36270, 36642, 38415, 42120, 42552, 43524, 46098, 48360, 48856, 50220, 51220, 53190, 54405, 54963, 61070, 61464, 63828, 65286, 69147, 70920, 72540, 73284, 76830, 79391, 79785, 87048, 91605, 92196, 100440, 102440, 106380, 108810, 109926, 115245, 122140, 127656, 130572, 138294, 145080, 146568, 153660, 158782, 159570, 163215, 164889, 183210, 184392, 207441, 212760, 217620, 219852, 230490, 238173, 244280, 261144, 274815, 276588, 307320, 317564, 319140, 326430, 329778, 345735, 366420, 396955, 414882, 435240, 439704, 460980, 476346, 494667, 549630, 553176, 635128, 638280, 652860, 659556, 691470, 714519, 732840, 793910, 824445, 829764, 921960, 952692, 989334, 1037205, 1099260, 1190865, 1305720, 1319112, 1382940, 1429038, 1587820, 1648890, 1659528, 1905384, 1978668, 2074410, 2143557, 2198520, 2381730, 2473335, 2765880, 2858076, 3175640, 3297780, 3572595, 3957336, 4148820, 4287114, 4763460, 4946670, 5716152, 6430671, 6595560, 7145190, 8297640, 8574228, 9526920, 9893340, 10717785, 12861342, 14290380, 17148456, 19786680, 21435570, 25722684, 28580760, 32153355, 42871140, 51445368, 64306710, 85742280, 128613420, 257226840]

約数ペア:

[(1, 257226840), (2, 128613420), (3, 85742280), (4, 64306710), (5, 51445368), (6, 42871140), (8, 32153355), (9, 28580760), (10, 25722684), (12, 21435570), (13, 19786680), (15, 17148456), (18, 14290380), (20, 12861342), (24, 10717785), (26, 9893340), (27, 9526920), (30, 8574228), (31, 8297640), (36, 7145190), (39, 6595560), (40, 6430671), (45, 5716152), (52, 4946670), (54, 4763460), (60, 4287114), (62, 4148820), (65, 3957336), (72, 3572595), (78, 3297780), (81, 3175640), (90, 2858076), (93, 2765880), (104, 2473335), (108, 2381730), (117, 2198520), (120, 2143557), (124, 2074410), (130, 1978668), (135, 1905384), (155, 1659528), (156, 1648890), (162, 1587820), (180, 1429038), (186, 1382940), (195, 1319112), (197, 1305720), (216, 1190865), (234, 1099260), (248, 1037205), (260, 989334), (270, 952692), (279, 921960), (310, 829764), (312, 824445), (324, 793910), (351, 732840), (360, 714519), (372, 691470), (390, 659556), (394, 652860), (403, 638280), (405, 635128), (465, 553176), (468, 549630), (520, 494667), (540, 476346), (558, 460980), (585, 439704), (591, 435240), (620, 414882), (648, 396955), (702, 366420), (744, 345735), (780, 329778), (788, 326430), (806, 319140), (810, 317564), (837, 307320), (930, 276588), (936, 274815), (985, 261144), (1053, 244280), (1080, 238173), (1116, 230490), (1170, 219852), (1182, 217620), (1209, 212760), (1240, 207441), (1395, 184392), (1404, 183210), (1560, 164889), (1576, 163215), (1612, 159570), (1620, 158782), (1674, 153660), (1755, 146568), (1773, 145080), (1860, 138294), (1970, 130572), (2015, 127656), (2106, 122140), (2232, 115245), (2340, 109926), (2364, 108810), (2418, 106380), (2511, 102440), (2561, 100440), (2790, 92196), (2808, 91605), (2955, 87048), (3224, 79785), (3240, 79391), (3348, 76830), (3510, 73284), (3546, 72540), (3627, 70920), (3720, 69147), (3940, 65286), (4030, 63828), (4185, 61464), (4212, 61070), (4680, 54963), (4728, 54405), (4836, 53190), (5022, 51220), (5122, 50220), (5265, 48856), (5319, 48360), (5580, 46098), (5910, 43524), (6045, 42552), (6107, 42120), (6696, 38415), (7020, 36642), (7092, 36270), (7254, 35460), (7683, 33480), (7880, 32643), (8060, 31914), (8370, 30732), (8424, 30535), (8865, 29016), (9672, 26595), (10044, 25610), (10244, 25110), (10530, 24428), (10638, 24180), (10881, 23640), (11160, 23049), (11820, 21762), (12090, 21276), (12214, 21060), (12555, 20488), (12805, 20088), (14040, 18321), (14184, 18135), (14508, 17730), (15366, 16740), (15957, 16120)]