688427040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{619}}^1$

素因数の和:975

約数の個数: 192

約数和(自身を含む): 2489840640

約数和(自身を除く): 1801413600

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, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 331, 336, 420, 480, 560, 619, 662, 672, 840, 993, 1120, 1238, 1324, 1655, 1680, 1857, 1986, 2317, 2476, 2648, 3095, 3310, 3360, 3714, 3972, 4333, 4634, 4952, 4965, 5296, 6190, 6620, 6951, 7428, 7944, 8666, 9268, 9285, 9904, 9930, 10592, 11585, 12380, 12999, 13240, 13902, 14856, 15888, 17332, 18536, 18570, 19808, 19860, 21665, 23170, 24760, 25998, 26480, 27804, 29712, 31776, 34664, 34755, 37072, 37140, 39720, 43330, 46340, 49520, 51996, 52960, 55608, 59424, 64995, 69328, 69510, 74144, 74280, 79440, 86660, 92680, 99040, 103992, 111216, 129990, 138656, 139020, 148560, 158880, 173320, 185360, 204889, 207984, 222432, 259980, 278040, 297120, 346640, 370720, 409778, 415968, 519960, 556080, 614667, 693280, 819556, 1024445, 1039920, 1112160, 1229334, 1434223, 1639112, 2048890, 2079840, 2458668, 2868446, 3073335, 3278224, 4097780, 4302669, 4917336, 5736892, 6146670, 6556448, 7171115, 8195560, 8605338, 9834672, 11473784, 12293340, 14342230, 16391120, 17210676, 19669344, 21513345, 22947568, 24586680, 28684460, 32782240, 34421352, 43026690, 45895136, 49173360, 57368920, 68842704, 86053380, 98346720, 114737840, 137685408, 172106760, 229475680, 344213520, 688427040]

約数ペア:

[(1, 688427040), (2, 344213520), (3, 229475680), (4, 172106760), (5, 137685408), (6, 114737840), (7, 98346720), (8, 86053380), (10, 68842704), (12, 57368920), (14, 49173360), (15, 45895136), (16, 43026690), (20, 34421352), (21, 32782240), (24, 28684460), (28, 24586680), (30, 22947568), (32, 21513345), (35, 19669344), (40, 17210676), (42, 16391120), (48, 14342230), (56, 12293340), (60, 11473784), (70, 9834672), (80, 8605338), (84, 8195560), (96, 7171115), (105, 6556448), (112, 6146670), (120, 5736892), (140, 4917336), (160, 4302669), (168, 4097780), (210, 3278224), (224, 3073335), (240, 2868446), (280, 2458668), (331, 2079840), (336, 2048890), (420, 1639112), (480, 1434223), (560, 1229334), (619, 1112160), (662, 1039920), (672, 1024445), (840, 819556), (993, 693280), (1120, 614667), (1238, 556080), (1324, 519960), (1655, 415968), (1680, 409778), (1857, 370720), (1986, 346640), (2317, 297120), (2476, 278040), (2648, 259980), (3095, 222432), (3310, 207984), (3360, 204889), (3714, 185360), (3972, 173320), (4333, 158880), (4634, 148560), (4952, 139020), (4965, 138656), (5296, 129990), (6190, 111216), (6620, 103992), (6951, 99040), (7428, 92680), (7944, 86660), (8666, 79440), (9268, 74280), (9285, 74144), (9904, 69510), (9930, 69328), (10592, 64995), (11585, 59424), (12380, 55608), (12999, 52960), (13240, 51996), (13902, 49520), (14856, 46340), (15888, 43330), (17332, 39720), (18536, 37140), (18570, 37072), (19808, 34755), (19860, 34664), (21665, 31776), (23170, 29712), (24760, 27804), (25998, 26480)]