278181120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 288

約数和(自身を含む): 1036062720

約数和(自身を除く): 757881600

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, 60, 64, 70, 79, 80, 84, 96, 105, 112, 120, 128, 131, 140, 158, 160, 168, 192, 210, 224, 237, 240, 256, 262, 280, 316, 320, 336, 384, 393, 395, 420, 448, 474, 480, 524, 553, 560, 632, 640, 655, 672, 768, 786, 790, 840, 896, 917, 948, 960, 1048, 1106, 1120, 1185, 1264, 1280, 1310, 1344, 1572, 1580, 1659, 1680, 1792, 1834, 1896, 1920, 1965, 2096, 2212, 2240, 2370, 2528, 2620, 2688, 2751, 2765, 3144, 3160, 3318, 3360, 3668, 3792, 3840, 3930, 4192, 4424, 4480, 4585, 4740, 5056, 5240, 5376, 5502, 5530, 6288, 6320, 6636, 6720, 7336, 7584, 7860, 8295, 8384, 8848, 8960, 9170, 9480, 10112, 10349, 10480, 11004, 11060, 12576, 12640, 13272, 13440, 13755, 14672, 15168, 15720, 16590, 16768, 17696, 18340, 18960, 20224, 20698, 20960, 22008, 22120, 25152, 25280, 26544, 26880, 27510, 29344, 30336, 31047, 31440, 33180, 33536, 35392, 36680, 37920, 41396, 41920, 44016, 44240, 50304, 50560, 51745, 53088, 55020, 58688, 60672, 62094, 62880, 66360, 70784, 72443, 73360, 75840, 82792, 83840, 88032, 88480, 100608, 101120, 103490, 106176, 110040, 117376, 124188, 125760, 132720, 141568, 144886, 146720, 151680, 155235, 165584, 167680, 176064, 176960, 206980, 212352, 217329, 220080, 234752, 248376, 251520, 265440, 289772, 293440, 303360, 310470, 331168, 352128, 353920, 362215, 413960, 424704, 434658, 440160, 496752, 503040, 530880, 579544, 586880, 620940, 662336, 704256, 707840, 724430, 827920, 869316, 880320, 993504, 1061760, 1086645, 1159088, 1173760, 1241880, 1324672, 1448860, 1655840, 1738632, 1760640, 1987008, 2123520, 2173290, 2318176, 2483760, 2649344, 2897720, 3311680, 3477264, 3521280, 3974016, 4346580, 4636352, 4967520, 5795440, 6623360, 6954528, 7948032, 8693160, 9272704, 9935040, 11590880, 13246720, 13909056, 17386320, 18545408, 19870080, 23181760, 27818112, 34772640, 39740160, 46363520, 55636224, 69545280, 92727040, 139090560, 278181120]

約数ペア:

[(1, 278181120), (2, 139090560), (3, 92727040), (4, 69545280), (5, 55636224), (6, 46363520), (7, 39740160), (8, 34772640), (10, 27818112), (12, 23181760), (14, 19870080), (15, 18545408), (16, 17386320), (20, 13909056), (21, 13246720), (24, 11590880), (28, 9935040), (30, 9272704), (32, 8693160), (35, 7948032), (40, 6954528), (42, 6623360), (48, 5795440), (56, 4967520), (60, 4636352), (64, 4346580), (70, 3974016), (79, 3521280), (80, 3477264), (84, 3311680), (96, 2897720), (105, 2649344), (112, 2483760), (120, 2318176), (128, 2173290), (131, 2123520), (140, 1987008), (158, 1760640), (160, 1738632), (168, 1655840), (192, 1448860), (210, 1324672), (224, 1241880), (237, 1173760), (240, 1159088), (256, 1086645), (262, 1061760), (280, 993504), (316, 880320), (320, 869316), (336, 827920), (384, 724430), (393, 707840), (395, 704256), (420, 662336), (448, 620940), (474, 586880), (480, 579544), (524, 530880), (553, 503040), (560, 496752), (632, 440160), (640, 434658), (655, 424704), (672, 413960), (768, 362215), (786, 353920), (790, 352128), (840, 331168), (896, 310470), (917, 303360), (948, 293440), (960, 289772), (1048, 265440), (1106, 251520), (1120, 248376), (1185, 234752), (1264, 220080), (1280, 217329), (1310, 212352), (1344, 206980), (1572, 176960), (1580, 176064), (1659, 167680), (1680, 165584), (1792, 155235), (1834, 151680), (1896, 146720), (1920, 144886), (1965, 141568), (2096, 132720), (2212, 125760), (2240, 124188), (2370, 117376), (2528, 110040), (2620, 106176), (2688, 103490), (2751, 101120), (2765, 100608), (3144, 88480), (3160, 88032), (3318, 83840), (3360, 82792), (3668, 75840), (3792, 73360), (3840, 72443), (3930, 70784), (4192, 66360), (4424, 62880), (4480, 62094), (4585, 60672), (4740, 58688), (5056, 55020), (5240, 53088), (5376, 51745), (5502, 50560), (5530, 50304), (6288, 44240), (6320, 44016), (6636, 41920), (6720, 41396), (7336, 37920), (7584, 36680), (7860, 35392), (8295, 33536), (8384, 33180), (8848, 31440), (8960, 31047), (9170, 30336), (9480, 29344), (10112, 27510), (10349, 26880), (10480, 26544), (11004, 25280), (11060, 25152), (12576, 22120), (12640, 22008), (13272, 20960), (13440, 20698), (13755, 20224), (14672, 18960), (15168, 18340), (15720, 17696), (16590, 16768)]