28704060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 288

約数和(自身を含む): 115315200

約数和(自身を除く): 86611140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 22, 28, 30, 33, 35, 36, 38, 42, 44, 45, 55, 57, 60, 63, 66, 70, 76, 77, 84, 90, 95, 99, 105, 109, 110, 114, 126, 132, 133, 140, 154, 165, 171, 180, 190, 198, 209, 210, 218, 220, 228, 231, 252, 266, 285, 308, 315, 327, 330, 342, 380, 385, 396, 399, 418, 420, 436, 462, 495, 532, 545, 570, 627, 630, 654, 660, 665, 684, 693, 763, 770, 798, 836, 855, 924, 981, 990, 1045, 1090, 1140, 1155, 1197, 1199, 1254, 1260, 1308, 1330, 1386, 1463, 1526, 1540, 1596, 1635, 1710, 1881, 1962, 1980, 1995, 2071, 2090, 2180, 2289, 2310, 2394, 2398, 2508, 2660, 2772, 2926, 3052, 3135, 3270, 3420, 3465, 3597, 3762, 3815, 3924, 3990, 4142, 4180, 4389, 4578, 4620, 4788, 4796, 4905, 5852, 5985, 5995, 6213, 6270, 6540, 6867, 6930, 7194, 7315, 7524, 7630, 7980, 8284, 8393, 8778, 9156, 9405, 9810, 10355, 10791, 11445, 11970, 11990, 12426, 12540, 13167, 13734, 13860, 14388, 14497, 14630, 15260, 16786, 17556, 17985, 18639, 18810, 19620, 20710, 21582, 21945, 22781, 22890, 23940, 23980, 24852, 25179, 26334, 27468, 28994, 29260, 31065, 33572, 34335, 35970, 37278, 37620, 41420, 41965, 43164, 43491, 43890, 45562, 45780, 50358, 52668, 53955, 57988, 62130, 65835, 68343, 68670, 71940, 72485, 74556, 75537, 83930, 86982, 87780, 91124, 93195, 100716, 107910, 113905, 124260, 125895, 130473, 131670, 136686, 137340, 144970, 151074, 159467, 167860, 173964, 186390, 205029, 215820, 217455, 227810, 251790, 260946, 263340, 273372, 289940, 302148, 318934, 341715, 372780, 377685, 410058, 434910, 455620, 478401, 503580, 521892, 637868, 652365, 683430, 755370, 797335, 820116, 869820, 956802, 1025145, 1304730, 1366860, 1435203, 1510740, 1594670, 1913604, 2050290, 2392005, 2609460, 2870406, 3189340, 4100580, 4784010, 5740812, 7176015, 9568020, 14352030, 28704060]

約数ペア:

[(1, 28704060), (2, 14352030), (3, 9568020), (4, 7176015), (5, 5740812), (6, 4784010), (7, 4100580), (9, 3189340), (10, 2870406), (11, 2609460), (12, 2392005), (14, 2050290), (15, 1913604), (18, 1594670), (19, 1510740), (20, 1435203), (21, 1366860), (22, 1304730), (28, 1025145), (30, 956802), (33, 869820), (35, 820116), (36, 797335), (38, 755370), (42, 683430), (44, 652365), (45, 637868), (55, 521892), (57, 503580), (60, 478401), (63, 455620), (66, 434910), (70, 410058), (76, 377685), (77, 372780), (84, 341715), (90, 318934), (95, 302148), (99, 289940), (105, 273372), (109, 263340), (110, 260946), (114, 251790), (126, 227810), (132, 217455), (133, 215820), (140, 205029), (154, 186390), (165, 173964), (171, 167860), (180, 159467), (190, 151074), (198, 144970), (209, 137340), (210, 136686), (218, 131670), (220, 130473), (228, 125895), (231, 124260), (252, 113905), (266, 107910), (285, 100716), (308, 93195), (315, 91124), (327, 87780), (330, 86982), (342, 83930), (380, 75537), (385, 74556), (396, 72485), (399, 71940), (418, 68670), (420, 68343), (436, 65835), (462, 62130), (495, 57988), (532, 53955), (545, 52668), (570, 50358), (627, 45780), (630, 45562), (654, 43890), (660, 43491), (665, 43164), (684, 41965), (693, 41420), (763, 37620), (770, 37278), (798, 35970), (836, 34335), (855, 33572), (924, 31065), (981, 29260), (990, 28994), (1045, 27468), (1090, 26334), (1140, 25179), (1155, 24852), (1197, 23980), (1199, 23940), (1254, 22890), (1260, 22781), (1308, 21945), (1330, 21582), (1386, 20710), (1463, 19620), (1526, 18810), (1540, 18639), (1596, 17985), (1635, 17556), (1710, 16786), (1881, 15260), (1962, 14630), (1980, 14497), (1995, 14388), (2071, 13860), (2090, 13734), (2180, 13167), (2289, 12540), (2310, 12426), (2394, 11990), (2398, 11970), (2508, 11445), (2660, 10791), (2772, 10355), (2926, 9810), (3052, 9405), (3135, 9156), (3270, 8778), (3420, 8393), (3465, 8284), (3597, 7980), (3762, 7630), (3815, 7524), (3924, 7315), (3990, 7194), (4142, 6930), (4180, 6867), (4389, 6540), (4578, 6270), (4620, 6213), (4788, 5995), (4796, 5985), (4905, 5852)]