258727680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:671

約数の個数: 216

約数和(自身を含む): 920879232

約数和(自身を除く): 662151552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 128, 144, 148, 160, 180, 185, 192, 222, 240, 256, 288, 296, 320, 333, 360, 370, 384, 444, 480, 555, 576, 592, 607, 640, 666, 720, 740, 768, 888, 960, 1110, 1152, 1184, 1214, 1280, 1332, 1440, 1480, 1665, 1776, 1821, 1920, 2220, 2304, 2368, 2428, 2664, 2880, 2960, 3035, 3330, 3552, 3642, 3840, 4440, 4736, 4856, 5328, 5463, 5760, 5920, 6070, 6660, 7104, 7284, 8880, 9105, 9472, 9712, 10656, 10926, 11520, 11840, 12140, 13320, 14208, 14568, 17760, 18210, 19424, 21312, 21852, 22459, 23680, 24280, 26640, 27315, 28416, 29136, 35520, 36420, 38848, 42624, 43704, 44918, 47360, 48560, 53280, 54630, 58272, 67377, 71040, 72840, 77696, 85248, 87408, 89836, 97120, 106560, 109260, 112295, 116544, 134754, 142080, 145680, 155392, 174816, 179672, 194240, 202131, 213120, 218520, 224590, 233088, 269508, 291360, 336885, 349632, 359344, 388480, 404262, 426240, 437040, 449180, 466176, 539016, 582720, 673770, 699264, 718688, 776960, 808524, 874080, 898360, 1010655, 1078032, 1165440, 1347540, 1398528, 1437376, 1617048, 1748160, 1796720, 2021310, 2156064, 2330880, 2695080, 2874752, 3234096, 3496320, 3593440, 4042620, 4312128, 5390160, 5749504, 6468192, 6992640, 7186880, 8085240, 8624256, 10780320, 12936384, 14373760, 16170480, 17248512, 21560640, 25872768, 28747520, 32340960, 43121280, 51745536, 64681920, 86242560, 129363840, 258727680]

約数ペア:

[(1, 258727680), (2, 129363840), (3, 86242560), (4, 64681920), (5, 51745536), (6, 43121280), (8, 32340960), (9, 28747520), (10, 25872768), (12, 21560640), (15, 17248512), (16, 16170480), (18, 14373760), (20, 12936384), (24, 10780320), (30, 8624256), (32, 8085240), (36, 7186880), (37, 6992640), (40, 6468192), (45, 5749504), (48, 5390160), (60, 4312128), (64, 4042620), (72, 3593440), (74, 3496320), (80, 3234096), (90, 2874752), (96, 2695080), (111, 2330880), (120, 2156064), (128, 2021310), (144, 1796720), (148, 1748160), (160, 1617048), (180, 1437376), (185, 1398528), (192, 1347540), (222, 1165440), (240, 1078032), (256, 1010655), (288, 898360), (296, 874080), (320, 808524), (333, 776960), (360, 718688), (370, 699264), (384, 673770), (444, 582720), (480, 539016), (555, 466176), (576, 449180), (592, 437040), (607, 426240), (640, 404262), (666, 388480), (720, 359344), (740, 349632), (768, 336885), (888, 291360), (960, 269508), (1110, 233088), (1152, 224590), (1184, 218520), (1214, 213120), (1280, 202131), (1332, 194240), (1440, 179672), (1480, 174816), (1665, 155392), (1776, 145680), (1821, 142080), (1920, 134754), (2220, 116544), (2304, 112295), (2368, 109260), (2428, 106560), (2664, 97120), (2880, 89836), (2960, 87408), (3035, 85248), (3330, 77696), (3552, 72840), (3642, 71040), (3840, 67377), (4440, 58272), (4736, 54630), (4856, 53280), (5328, 48560), (5463, 47360), (5760, 44918), (5920, 43704), (6070, 42624), (6660, 38848), (7104, 36420), (7284, 35520), (8880, 29136), (9105, 28416), (9472, 27315), (9712, 26640), (10656, 24280), (10926, 23680), (11520, 22459), (11840, 21852), (12140, 21312), (13320, 19424), (14208, 18210), (14568, 17760)]