648732960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 288

約数和(自身を含む): 2361078720

約数和(自身を除く): 1712345760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 131, 144, 152, 160, 171, 180, 181, 190, 228, 240, 262, 285, 288, 304, 342, 360, 362, 380, 393, 456, 480, 524, 543, 570, 608, 655, 684, 720, 724, 760, 786, 855, 905, 912, 1048, 1086, 1140, 1179, 1310, 1368, 1440, 1448, 1520, 1572, 1629, 1710, 1810, 1824, 1965, 2096, 2172, 2280, 2358, 2489, 2620, 2715, 2736, 2896, 3040, 3144, 3258, 3420, 3439, 3620, 3930, 4192, 4344, 4560, 4716, 4978, 5240, 5430, 5472, 5792, 5895, 6288, 6516, 6840, 6878, 7240, 7467, 7860, 8145, 8688, 9120, 9432, 9956, 10317, 10480, 10860, 11790, 12445, 12576, 13032, 13680, 13756, 14480, 14934, 15720, 16290, 17195, 17376, 18864, 19912, 20634, 20960, 21720, 22401, 23580, 23711, 24890, 26064, 27360, 27512, 28960, 29868, 30951, 31440, 32580, 34390, 37335, 37728, 39824, 41268, 43440, 44802, 47160, 47422, 49780, 51585, 52128, 55024, 59736, 61902, 62880, 65160, 68780, 71133, 74670, 79648, 82536, 86880, 89604, 94320, 94844, 99560, 103170, 110048, 112005, 118555, 119472, 123804, 130320, 137560, 142266, 149340, 154755, 165072, 179208, 188640, 189688, 199120, 206340, 213399, 224010, 237110, 238944, 247608, 260640, 275120, 284532, 298680, 309510, 330144, 355665, 358416, 379376, 398240, 412680, 426798, 448020, 450509, 474220, 495216, 550240, 569064, 597360, 619020, 711330, 716832, 758752, 825360, 853596, 896040, 901018, 948440, 990432, 1066995, 1138128, 1194720, 1238040, 1351527, 1422660, 1650720, 1707192, 1792080, 1802036, 1896880, 2133990, 2252545, 2276256, 2476080, 2703054, 2845320, 3414384, 3584160, 3604072, 3793760, 4054581, 4267980, 4505090, 4952160, 5406108, 5690640, 6757635, 6828768, 7208144, 8109162, 8535960, 9010180, 10812216, 11381280, 13515270, 14416288, 16218324, 17071920, 18020360, 20272905, 21624432, 27030540, 32436648, 34143840, 36040720, 40545810, 43248864, 54061080, 64873296, 72081440, 81091620, 108122160, 129746592, 162183240, 216244320, 324366480, 648732960]

約数ペア:

[(1, 648732960), (2, 324366480), (3, 216244320), (4, 162183240), (5, 129746592), (6, 108122160), (8, 81091620), (9, 72081440), (10, 64873296), (12, 54061080), (15, 43248864), (16, 40545810), (18, 36040720), (19, 34143840), (20, 32436648), (24, 27030540), (30, 21624432), (32, 20272905), (36, 18020360), (38, 17071920), (40, 16218324), (45, 14416288), (48, 13515270), (57, 11381280), (60, 10812216), (72, 9010180), (76, 8535960), (80, 8109162), (90, 7208144), (95, 6828768), (96, 6757635), (114, 5690640), (120, 5406108), (131, 4952160), (144, 4505090), (152, 4267980), (160, 4054581), (171, 3793760), (180, 3604072), (181, 3584160), (190, 3414384), (228, 2845320), (240, 2703054), (262, 2476080), (285, 2276256), (288, 2252545), (304, 2133990), (342, 1896880), (360, 1802036), (362, 1792080), (380, 1707192), (393, 1650720), (456, 1422660), (480, 1351527), (524, 1238040), (543, 1194720), (570, 1138128), (608, 1066995), (655, 990432), (684, 948440), (720, 901018), (724, 896040), (760, 853596), (786, 825360), (855, 758752), (905, 716832), (912, 711330), (1048, 619020), (1086, 597360), (1140, 569064), (1179, 550240), (1310, 495216), (1368, 474220), (1440, 450509), (1448, 448020), (1520, 426798), (1572, 412680), (1629, 398240), (1710, 379376), (1810, 358416), (1824, 355665), (1965, 330144), (2096, 309510), (2172, 298680), (2280, 284532), (2358, 275120), (2489, 260640), (2620, 247608), (2715, 238944), (2736, 237110), (2896, 224010), (3040, 213399), (3144, 206340), (3258, 199120), (3420, 189688), (3439, 188640), (3620, 179208), (3930, 165072), (4192, 154755), (4344, 149340), (4560, 142266), (4716, 137560), (4978, 130320), (5240, 123804), (5430, 119472), (5472, 118555), (5792, 112005), (5895, 110048), (6288, 103170), (6516, 99560), (6840, 94844), (6878, 94320), (7240, 89604), (7467, 86880), (7860, 82536), (8145, 79648), (8688, 74670), (9120, 71133), (9432, 68780), (9956, 65160), (10317, 62880), (10480, 61902), (10860, 59736), (11790, 55024), (12445, 52128), (12576, 51585), (13032, 49780), (13680, 47422), (13756, 47160), (14480, 44802), (14934, 43440), (15720, 41268), (16290, 39824), (17195, 37728), (17376, 37335), (18864, 34390), (19912, 32580), (20634, 31440), (20960, 30951), (21720, 29868), (22401, 28960), (23580, 27512), (23711, 27360), (24890, 26064)]