1281572640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{30689}}^1$

素因数の和:30739

約数の個数: 144

約数和(自身を含む): 4524319800

約数和(自身を除く): 3242747160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 870, 928, 1044, 1160, 1305, 1392, 1440, 1740, 2088, 2320, 2610, 2784, 3480, 4176, 4640, 5220, 6960, 8352, 10440, 13920, 20880, 30689, 41760, 61378, 92067, 122756, 153445, 184134, 245512, 276201, 306890, 368268, 460335, 491024, 552402, 613780, 736536, 889981, 920670, 982048, 1104804, 1227560, 1381005, 1473072, 1779962, 1841340, 2209608, 2455120, 2669943, 2762010, 2946144, 3559924, 3682680, 4419216, 4449905, 4910240, 5339886, 5524020, 7119848, 7365360, 8009829, 8838432, 8899810, 10679772, 11048040, 13349715, 14239696, 14730720, 16019658, 17799620, 21359544, 22096080, 26699430, 28479392, 32039316, 35599240, 40049145, 42719088, 44192160, 53398860, 64078632, 71198480, 80098290, 85438176, 106797720, 128157264, 142396960, 160196580, 213595440, 256314528, 320393160, 427190880, 640786320, 1281572640]

約数ペア:

[(1, 1281572640), (2, 640786320), (3, 427190880), (4, 320393160), (5, 256314528), (6, 213595440), (8, 160196580), (9, 142396960), (10, 128157264), (12, 106797720), (15, 85438176), (16, 80098290), (18, 71198480), (20, 64078632), (24, 53398860), (29, 44192160), (30, 42719088), (32, 40049145), (36, 35599240), (40, 32039316), (45, 28479392), (48, 26699430), (58, 22096080), (60, 21359544), (72, 17799620), (80, 16019658), (87, 14730720), (90, 14239696), (96, 13349715), (116, 11048040), (120, 10679772), (144, 8899810), (145, 8838432), (160, 8009829), (174, 7365360), (180, 7119848), (232, 5524020), (240, 5339886), (261, 4910240), (288, 4449905), (290, 4419216), (348, 3682680), (360, 3559924), (435, 2946144), (464, 2762010), (480, 2669943), (522, 2455120), (580, 2209608), (696, 1841340), (720, 1779962), (870, 1473072), (928, 1381005), (1044, 1227560), (1160, 1104804), (1305, 982048), (1392, 920670), (1440, 889981), (1740, 736536), (2088, 613780), (2320, 552402), (2610, 491024), (2784, 460335), (3480, 368268), (4176, 306890), (4640, 276201), (5220, 245512), (6960, 184134), (8352, 153445), (10440, 122756), (13920, 92067), (20880, 61378), (30689, 41760)]