890789120

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 288

約数和(自身を含む): 2521870848

約数和(自身を除く): 1631081728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 47, 52, 64, 65, 67, 68, 80, 85, 94, 104, 128, 130, 134, 136, 160, 170, 188, 208, 221, 235, 256, 260, 268, 272, 320, 335, 340, 376, 416, 442, 470, 520, 536, 544, 611, 640, 670, 680, 752, 799, 832, 871, 884, 940, 1040, 1072, 1088, 1105, 1139, 1222, 1280, 1340, 1360, 1504, 1598, 1664, 1742, 1768, 1880, 2080, 2144, 2176, 2210, 2278, 2444, 2680, 2720, 3008, 3055, 3149, 3196, 3328, 3484, 3536, 3760, 3995, 4160, 4288, 4352, 4355, 4420, 4556, 4888, 5360, 5440, 5695, 6016, 6110, 6298, 6392, 6968, 7072, 7520, 7990, 8320, 8576, 8710, 8840, 9112, 9776, 10387, 10720, 10880, 11390, 12032, 12220, 12596, 12784, 13936, 14144, 14807, 15040, 15745, 15980, 16640, 17152, 17420, 17680, 18224, 19552, 20774, 21440, 21760, 22780, 24440, 25192, 25568, 27872, 28288, 29614, 30080, 31490, 31960, 34840, 35360, 36448, 39104, 40937, 41548, 42880, 45560, 48880, 50384, 51136, 51935, 53533, 55744, 56576, 59228, 60160, 62980, 63920, 69680, 70720, 72896, 74035, 78208, 81874, 83096, 85760, 91120, 97760, 100768, 102272, 103870, 107066, 111488, 118456, 125960, 127840, 139360, 141440, 145792, 148070, 156416, 163748, 166192, 182240, 195520, 201536, 204544, 204685, 207740, 214132, 222976, 236912, 251920, 255680, 267665, 278720, 282880, 291584, 296140, 327496, 332384, 364480, 391040, 403072, 409370, 415480, 428264, 473824, 503840, 511360, 535330, 557440, 592280, 654992, 664768, 695929, 728960, 782080, 806144, 818740, 830960, 856528, 947648, 1007680, 1022720, 1070660, 1114880, 1184560, 1309984, 1329536, 1391858, 1457920, 1637480, 1661920, 1713056, 1895296, 2015360, 2141320, 2369120, 2619968, 2659072, 2783716, 3274960, 3323840, 3426112, 3479645, 3790592, 4030720, 4282640, 4738240, 5239936, 5567432, 6549920, 6647680, 6852224, 6959290, 8565280, 9476480, 10479872, 11134864, 13099840, 13295360, 13704448, 13918580, 17130560, 18952960, 22269728, 26199680, 27837160, 34261120, 44539456, 52399360, 55674320, 68522240, 89078912, 111348640, 178157824, 222697280, 445394560, 890789120]

約数ペア:

[(1, 890789120), (2, 445394560), (4, 222697280), (5, 178157824), (8, 111348640), (10, 89078912), (13, 68522240), (16, 55674320), (17, 52399360), (20, 44539456), (26, 34261120), (32, 27837160), (34, 26199680), (40, 22269728), (47, 18952960), (52, 17130560), (64, 13918580), (65, 13704448), (67, 13295360), (68, 13099840), (80, 11134864), (85, 10479872), (94, 9476480), (104, 8565280), (128, 6959290), (130, 6852224), (134, 6647680), (136, 6549920), (160, 5567432), (170, 5239936), (188, 4738240), (208, 4282640), (221, 4030720), (235, 3790592), (256, 3479645), (260, 3426112), (268, 3323840), (272, 3274960), (320, 2783716), (335, 2659072), (340, 2619968), (376, 2369120), (416, 2141320), (442, 2015360), (470, 1895296), (520, 1713056), (536, 1661920), (544, 1637480), (611, 1457920), (640, 1391858), (670, 1329536), (680, 1309984), (752, 1184560), (799, 1114880), (832, 1070660), (871, 1022720), (884, 1007680), (940, 947648), (1040, 856528), (1072, 830960), (1088, 818740), (1105, 806144), (1139, 782080), (1222, 728960), (1280, 695929), (1340, 664768), (1360, 654992), (1504, 592280), (1598, 557440), (1664, 535330), (1742, 511360), (1768, 503840), (1880, 473824), (2080, 428264), (2144, 415480), (2176, 409370), (2210, 403072), (2278, 391040), (2444, 364480), (2680, 332384), (2720, 327496), (3008, 296140), (3055, 291584), (3149, 282880), (3196, 278720), (3328, 267665), (3484, 255680), (3536, 251920), (3760, 236912), (3995, 222976), (4160, 214132), (4288, 207740), (4352, 204685), (4355, 204544), (4420, 201536), (4556, 195520), (4888, 182240), (5360, 166192), (5440, 163748), (5695, 156416), (6016, 148070), (6110, 145792), (6298, 141440), (6392, 139360), (6968, 127840), (7072, 125960), (7520, 118456), (7990, 111488), (8320, 107066), (8576, 103870), (8710, 102272), (8840, 100768), (9112, 97760), (9776, 91120), (10387, 85760), (10720, 83096), (10880, 81874), (11390, 78208), (12032, 74035), (12220, 72896), (12596, 70720), (12784, 69680), (13936, 63920), (14144, 62980), (14807, 60160), (15040, 59228), (15745, 56576), (15980, 55744), (16640, 53533), (17152, 51935), (17420, 51136), (17680, 50384), (18224, 48880), (19552, 45560), (20774, 42880), (21440, 41548), (21760, 40937), (22780, 39104), (24440, 36448), (25192, 35360), (25568, 34840), (27872, 31960), (28288, 31490), (29614, 30080)]