61801920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:360

約数の個数: 224

約数和(自身を含む): 228234240

約数和(自身を除く): 166432320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 311, 320, 345, 360, 368, 414, 432, 460, 480, 540, 552, 576, 621, 622, 690, 720, 736, 828, 864, 920, 933, 960, 1035, 1080, 1104, 1242, 1244, 1380, 1440, 1472, 1555, 1656, 1728, 1840, 1866, 2070, 2160, 2208, 2484, 2488, 2760, 2799, 2880, 3105, 3110, 3312, 3680, 3732, 4140, 4320, 4416, 4665, 4968, 4976, 5520, 5598, 6210, 6220, 6624, 7153, 7360, 7464, 8280, 8397, 8640, 9330, 9936, 9952, 11040, 11196, 12420, 12440, 13248, 13995, 14306, 14928, 16560, 16794, 18660, 19872, 19904, 21459, 22080, 22392, 24840, 24880, 27990, 28612, 29856, 33120, 33588, 35765, 37320, 39744, 41985, 42918, 44784, 49680, 49760, 55980, 57224, 59712, 64377, 66240, 67176, 71530, 74640, 83970, 85836, 89568, 99360, 99520, 107295, 111960, 114448, 128754, 134352, 143060, 149280, 167940, 171672, 179136, 193131, 198720, 214590, 223920, 228896, 257508, 268704, 286120, 298560, 321885, 335880, 343344, 386262, 429180, 447840, 457792, 515016, 537408, 572240, 643770, 671760, 686688, 772524, 858360, 895680, 965655, 1030032, 1144480, 1287540, 1343520, 1373376, 1545048, 1716720, 1931310, 2060064, 2288960, 2575080, 2687040, 3090096, 3433440, 3862620, 4120128, 5150160, 6180192, 6866880, 7725240, 10300320, 12360384, 15450480, 20600640, 30900960, 61801920]

約数ペア:

[(1, 61801920), (2, 30900960), (3, 20600640), (4, 15450480), (5, 12360384), (6, 10300320), (8, 7725240), (9, 6866880), (10, 6180192), (12, 5150160), (15, 4120128), (16, 3862620), (18, 3433440), (20, 3090096), (23, 2687040), (24, 2575080), (27, 2288960), (30, 2060064), (32, 1931310), (36, 1716720), (40, 1545048), (45, 1373376), (46, 1343520), (48, 1287540), (54, 1144480), (60, 1030032), (64, 965655), (69, 895680), (72, 858360), (80, 772524), (90, 686688), (92, 671760), (96, 643770), (108, 572240), (115, 537408), (120, 515016), (135, 457792), (138, 447840), (144, 429180), (160, 386262), (180, 343344), (184, 335880), (192, 321885), (207, 298560), (216, 286120), (230, 268704), (240, 257508), (270, 228896), (276, 223920), (288, 214590), (311, 198720), (320, 193131), (345, 179136), (360, 171672), (368, 167940), (414, 149280), (432, 143060), (460, 134352), (480, 128754), (540, 114448), (552, 111960), (576, 107295), (621, 99520), (622, 99360), (690, 89568), (720, 85836), (736, 83970), (828, 74640), (864, 71530), (920, 67176), (933, 66240), (960, 64377), (1035, 59712), (1080, 57224), (1104, 55980), (1242, 49760), (1244, 49680), (1380, 44784), (1440, 42918), (1472, 41985), (1555, 39744), (1656, 37320), (1728, 35765), (1840, 33588), (1866, 33120), (2070, 29856), (2160, 28612), (2208, 27990), (2484, 24880), (2488, 24840), (2760, 22392), (2799, 22080), (2880, 21459), (3105, 19904), (3110, 19872), (3312, 18660), (3680, 16794), (3732, 16560), (4140, 14928), (4320, 14306), (4416, 13995), (4665, 13248), (4968, 12440), (4976, 12420), (5520, 11196), (5598, 11040), (6210, 9952), (6220, 9936), (6624, 9330), (7153, 8640), (7360, 8397), (7464, 8280)]