31321920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 224

約数和(自身を含む): 117043200

約数和(自身を除く): 85721280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 59, 60, 64, 70, 79, 80, 84, 96, 105, 112, 118, 120, 140, 158, 160, 168, 177, 192, 210, 224, 236, 237, 240, 280, 295, 316, 320, 336, 354, 395, 413, 420, 448, 472, 474, 480, 553, 560, 590, 632, 672, 708, 790, 826, 840, 885, 944, 948, 960, 1106, 1120, 1180, 1185, 1239, 1264, 1344, 1416, 1580, 1652, 1659, 1680, 1770, 1888, 1896, 2065, 2212, 2240, 2360, 2370, 2478, 2528, 2765, 2832, 3160, 3304, 3318, 3360, 3540, 3776, 3792, 4130, 4424, 4661, 4720, 4740, 4956, 5056, 5530, 5664, 6195, 6320, 6608, 6636, 6720, 7080, 7584, 8260, 8295, 8848, 9322, 9440, 9480, 9912, 11060, 11328, 12390, 12640, 13216, 13272, 13983, 14160, 15168, 16520, 16590, 17696, 18644, 18880, 18960, 19824, 22120, 23305, 24780, 25280, 26432, 26544, 27966, 28320, 32627, 33040, 33180, 35392, 37288, 37920, 39648, 44240, 46610, 49560, 53088, 55932, 56640, 65254, 66080, 66360, 69915, 74576, 75840, 79296, 88480, 93220, 97881, 99120, 106176, 111864, 130508, 132160, 132720, 139830, 149152, 163135, 176960, 186440, 195762, 198240, 223728, 261016, 265440, 279660, 298304, 326270, 372880, 391524, 396480, 447456, 489405, 522032, 530880, 559320, 652540, 745760, 783048, 894912, 978810, 1044064, 1118640, 1305080, 1491520, 1566096, 1957620, 2088128, 2237280, 2610160, 3132192, 3915240, 4474560, 5220320, 6264384, 7830480, 10440640, 15660960, 31321920]

約数ペア:

[(1, 31321920), (2, 15660960), (3, 10440640), (4, 7830480), (5, 6264384), (6, 5220320), (7, 4474560), (8, 3915240), (10, 3132192), (12, 2610160), (14, 2237280), (15, 2088128), (16, 1957620), (20, 1566096), (21, 1491520), (24, 1305080), (28, 1118640), (30, 1044064), (32, 978810), (35, 894912), (40, 783048), (42, 745760), (48, 652540), (56, 559320), (59, 530880), (60, 522032), (64, 489405), (70, 447456), (79, 396480), (80, 391524), (84, 372880), (96, 326270), (105, 298304), (112, 279660), (118, 265440), (120, 261016), (140, 223728), (158, 198240), (160, 195762), (168, 186440), (177, 176960), (192, 163135), (210, 149152), (224, 139830), (236, 132720), (237, 132160), (240, 130508), (280, 111864), (295, 106176), (316, 99120), (320, 97881), (336, 93220), (354, 88480), (395, 79296), (413, 75840), (420, 74576), (448, 69915), (472, 66360), (474, 66080), (480, 65254), (553, 56640), (560, 55932), (590, 53088), (632, 49560), (672, 46610), (708, 44240), (790, 39648), (826, 37920), (840, 37288), (885, 35392), (944, 33180), (948, 33040), (960, 32627), (1106, 28320), (1120, 27966), (1180, 26544), (1185, 26432), (1239, 25280), (1264, 24780), (1344, 23305), (1416, 22120), (1580, 19824), (1652, 18960), (1659, 18880), (1680, 18644), (1770, 17696), (1888, 16590), (1896, 16520), (2065, 15168), (2212, 14160), (2240, 13983), (2360, 13272), (2370, 13216), (2478, 12640), (2528, 12390), (2765, 11328), (2832, 11060), (3160, 9912), (3304, 9480), (3318, 9440), (3360, 9322), (3540, 8848), (3776, 8295), (3792, 8260), (4130, 7584), (4424, 7080), (4661, 6720), (4720, 6636), (4740, 6608), (4956, 6320), (5056, 6195), (5530, 5664)]