89490660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:586

約数の個数: 144

約数和(自身を含む): 296856000

約数和(自身を除く): 207365340

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, 499, 588, 610, 732, 735, 854, 915, 980, 998, 1220, 1281, 1470, 1497, 1708, 1830, 1996, 2135, 2495, 2562, 2940, 2989, 2994, 3493, 3660, 4270, 4990, 5124, 5978, 5988, 6405, 6986, 7485, 8540, 8967, 9980, 10479, 11956, 12810, 13972, 14945, 14970, 17465, 17934, 20958, 24451, 25620, 29890, 29940, 30439, 34930, 35868, 41916, 44835, 48902, 52395, 59780, 60878, 69860, 73353, 89670, 91317, 97804, 104790, 121756, 122255, 146706, 152195, 179340, 182634, 209580, 213073, 244510, 293412, 304390, 365268, 366765, 426146, 456585, 489020, 608780, 639219, 733530, 852292, 913170, 1065365, 1278438, 1467060, 1491511, 1826340, 2130730, 2556876, 2983022, 3196095, 4261460, 4474533, 5966044, 6392190, 7457555, 8949066, 12784380, 14915110, 17898132, 22372665, 29830220, 44745330, 89490660]

約数ペア:

[(1, 89490660), (2, 44745330), (3, 29830220), (4, 22372665), (5, 17898132), (6, 14915110), (7, 12784380), (10, 8949066), (12, 7457555), (14, 6392190), (15, 5966044), (20, 4474533), (21, 4261460), (28, 3196095), (30, 2983022), (35, 2556876), (42, 2130730), (49, 1826340), (60, 1491511), (61, 1467060), (70, 1278438), (84, 1065365), (98, 913170), (105, 852292), (122, 733530), (140, 639219), (147, 608780), (183, 489020), (196, 456585), (210, 426146), (244, 366765), (245, 365268), (294, 304390), (305, 293412), (366, 244510), (420, 213073), (427, 209580), (490, 182634), (499, 179340), (588, 152195), (610, 146706), (732, 122255), (735, 121756), (854, 104790), (915, 97804), (980, 91317), (998, 89670), (1220, 73353), (1281, 69860), (1470, 60878), (1497, 59780), (1708, 52395), (1830, 48902), (1996, 44835), (2135, 41916), (2495, 35868), (2562, 34930), (2940, 30439), (2989, 29940), (2994, 29890), (3493, 25620), (3660, 24451), (4270, 20958), (4990, 17934), (5124, 17465), (5978, 14970), (5988, 14945), (6405, 13972), (6986, 12810), (7485, 11956), (8540, 10479), (8967, 9980)]