1399165440

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^2$

素因数の和:227

約数の個数: 240

約数和(自身を含む): 4720465728

約数和(自身を除く): 3321300288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 89, 92, 96, 115, 120, 128, 138, 160, 178, 184, 192, 230, 240, 256, 267, 276, 320, 345, 356, 368, 384, 445, 460, 480, 512, 534, 552, 640, 690, 712, 736, 768, 890, 920, 960, 1068, 1104, 1280, 1335, 1380, 1424, 1472, 1536, 1780, 1840, 1920, 2047, 2136, 2208, 2560, 2670, 2760, 2848, 2944, 3560, 3680, 3840, 4094, 4272, 4416, 5340, 5520, 5696, 5888, 6141, 7120, 7360, 7680, 7921, 8188, 8544, 8832, 10235, 10680, 11040, 11392, 11776, 12282, 14240, 14720, 15842, 16376, 17088, 17664, 20470, 21360, 22080, 22784, 23763, 24564, 28480, 29440, 30705, 31684, 32752, 34176, 35328, 39605, 40940, 42720, 44160, 45568, 47526, 49128, 56960, 58880, 61410, 63368, 65504, 68352, 79210, 81880, 85440, 88320, 95052, 98256, 113920, 118815, 122820, 126736, 131008, 136704, 158420, 163760, 170880, 176640, 182183, 190104, 196512, 227840, 237630, 245640, 253472, 262016, 316840, 327520, 341760, 364366, 380208, 393024, 475260, 491280, 506944, 524032, 546549, 633680, 655040, 683520, 728732, 760416, 786048, 910915, 950520, 982560, 1013888, 1048064, 1093098, 1267360, 1310080, 1457464, 1520832, 1572096, 1821830, 1901040, 1965120, 2027776, 2186196, 2534720, 2620160, 2732745, 2914928, 3041664, 3144192, 3643660, 3802080, 3930240, 4055552, 4372392, 5069440, 5240320, 5465490, 5829856, 6083328, 7287320, 7604160, 7860480, 8744784, 10138880, 10930980, 11659712, 12166656, 14574640, 15208320, 15720960, 17489568, 20277760, 21861960, 23319424, 29149280, 30416640, 34979136, 43723920, 46638848, 58298560, 60833280, 69958272, 87447840, 93277696, 116597120, 139916544, 174895680, 233194240, 279833088, 349791360, 466388480, 699582720, 1399165440]

約数ペア:

[(1, 1399165440), (2, 699582720), (3, 466388480), (4, 349791360), (5, 279833088), (6, 233194240), (8, 174895680), (10, 139916544), (12, 116597120), (15, 93277696), (16, 87447840), (20, 69958272), (23, 60833280), (24, 58298560), (30, 46638848), (32, 43723920), (40, 34979136), (46, 30416640), (48, 29149280), (60, 23319424), (64, 21861960), (69, 20277760), (80, 17489568), (89, 15720960), (92, 15208320), (96, 14574640), (115, 12166656), (120, 11659712), (128, 10930980), (138, 10138880), (160, 8744784), (178, 7860480), (184, 7604160), (192, 7287320), (230, 6083328), (240, 5829856), (256, 5465490), (267, 5240320), (276, 5069440), (320, 4372392), (345, 4055552), (356, 3930240), (368, 3802080), (384, 3643660), (445, 3144192), (460, 3041664), (480, 2914928), (512, 2732745), (534, 2620160), (552, 2534720), (640, 2186196), (690, 2027776), (712, 1965120), (736, 1901040), (768, 1821830), (890, 1572096), (920, 1520832), (960, 1457464), (1068, 1310080), (1104, 1267360), (1280, 1093098), (1335, 1048064), (1380, 1013888), (1424, 982560), (1472, 950520), (1536, 910915), (1780, 786048), (1840, 760416), (1920, 728732), (2047, 683520), (2136, 655040), (2208, 633680), (2560, 546549), (2670, 524032), (2760, 506944), (2848, 491280), (2944, 475260), (3560, 393024), (3680, 380208), (3840, 364366), (4094, 341760), (4272, 327520), (4416, 316840), (5340, 262016), (5520, 253472), (5696, 245640), (5888, 237630), (6141, 227840), (7120, 196512), (7360, 190104), (7680, 182183), (7921, 176640), (8188, 170880), (8544, 163760), (8832, 158420), (10235, 136704), (10680, 131008), (11040, 126736), (11392, 122820), (11776, 118815), (12282, 113920), (14240, 98256), (14720, 95052), (15842, 88320), (16376, 85440), (17088, 81880), (17664, 79210), (20470, 68352), (21360, 65504), (22080, 63368), (22784, 61410), (23763, 58880), (24564, 56960), (28480, 49128), (29440, 47526), (30705, 45568), (31684, 44160), (32752, 42720), (34176, 40940), (35328, 39605)]