689920980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3847}}^1$

素因数の和:3934

約数の個数: 144

約数和(自身を含む): 2284603776

約数和(自身を除く): 1594682796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 122, 140, 147, 183, 196, 210, 244, 245, 294, 305, 366, 420, 427, 490, 588, 610, 732, 735, 854, 915, 980, 1220, 1281, 1470, 1708, 1830, 2135, 2562, 2940, 2989, 3660, 3847, 4270, 5124, 5978, 6405, 7694, 8540, 8967, 11541, 11956, 12810, 14945, 15388, 17934, 19235, 23082, 25620, 26929, 29890, 35868, 38470, 44835, 46164, 53858, 57705, 59780, 76940, 80787, 89670, 107716, 115410, 134645, 161574, 179340, 188503, 230820, 234667, 269290, 323148, 377006, 403935, 469334, 538580, 565509, 704001, 754012, 807870, 938668, 942515, 1131018, 1173335, 1408002, 1615740, 1642669, 1885030, 2262036, 2346670, 2816004, 2827545, 3285338, 3520005, 3770060, 4693340, 4928007, 5655090, 6570676, 7040010, 8213345, 9856014, 11310180, 11498683, 14080020, 16426690, 19712028, 22997366, 24640035, 32853380, 34496049, 45994732, 49280070, 57493415, 68992098, 98560140, 114986830, 137984196, 172480245, 229973660, 344960490, 689920980]

約数ペア:

[(1, 689920980), (2, 344960490), (3, 229973660), (4, 172480245), (5, 137984196), (6, 114986830), (7, 98560140), (10, 68992098), (12, 57493415), (14, 49280070), (15, 45994732), (20, 34496049), (21, 32853380), (28, 24640035), (30, 22997366), (35, 19712028), (42, 16426690), (49, 14080020), (60, 11498683), (61, 11310180), (70, 9856014), (84, 8213345), (98, 7040010), (105, 6570676), (122, 5655090), (140, 4928007), (147, 4693340), (183, 3770060), (196, 3520005), (210, 3285338), (244, 2827545), (245, 2816004), (294, 2346670), (305, 2262036), (366, 1885030), (420, 1642669), (427, 1615740), (490, 1408002), (588, 1173335), (610, 1131018), (732, 942515), (735, 938668), (854, 807870), (915, 754012), (980, 704001), (1220, 565509), (1281, 538580), (1470, 469334), (1708, 403935), (1830, 377006), (2135, 323148), (2562, 269290), (2940, 234667), (2989, 230820), (3660, 188503), (3847, 179340), (4270, 161574), (5124, 134645), (5978, 115410), (6405, 107716), (7694, 89670), (8540, 80787), (8967, 76940), (11541, 59780), (11956, 57705), (12810, 53858), (14945, 46164), (15388, 44835), (17934, 38470), (19235, 35868), (23082, 29890), (25620, 26929)]