178760820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1483}}^1$

素因数の和:1550

約数の個数: 144

約数和(自身を含む): 596852928

約数和(自身を除く): 418092108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 410, 420, 490, 492, 574, 588, 615, 735, 820, 861, 980, 1148, 1230, 1435, 1470, 1483, 1722, 2009, 2460, 2870, 2940, 2966, 3444, 4018, 4305, 4449, 5740, 5932, 6027, 7415, 8036, 8610, 8898, 10045, 10381, 12054, 14830, 17220, 17796, 20090, 20762, 22245, 24108, 29660, 30135, 31143, 40180, 41524, 44490, 51905, 60270, 60803, 62286, 72667, 88980, 103810, 120540, 121606, 124572, 145334, 155715, 182409, 207620, 218001, 243212, 290668, 304015, 311430, 363335, 364818, 425621, 436002, 608030, 622860, 726670, 729636, 851242, 872004, 912045, 1090005, 1216060, 1276863, 1453340, 1702484, 1824090, 2128105, 2180010, 2553726, 2979347, 3648180, 4256210, 4360020, 5107452, 5958694, 6384315, 8512420, 8938041, 11917388, 12768630, 14896735, 17876082, 25537260, 29793470, 35752164, 44690205, 59586940, 89380410, 178760820]

約数ペア:

[(1, 178760820), (2, 89380410), (3, 59586940), (4, 44690205), (5, 35752164), (6, 29793470), (7, 25537260), (10, 17876082), (12, 14896735), (14, 12768630), (15, 11917388), (20, 8938041), (21, 8512420), (28, 6384315), (30, 5958694), (35, 5107452), (41, 4360020), (42, 4256210), (49, 3648180), (60, 2979347), (70, 2553726), (82, 2180010), (84, 2128105), (98, 1824090), (105, 1702484), (123, 1453340), (140, 1276863), (147, 1216060), (164, 1090005), (196, 912045), (205, 872004), (210, 851242), (245, 729636), (246, 726670), (287, 622860), (294, 608030), (410, 436002), (420, 425621), (490, 364818), (492, 363335), (574, 311430), (588, 304015), (615, 290668), (735, 243212), (820, 218001), (861, 207620), (980, 182409), (1148, 155715), (1230, 145334), (1435, 124572), (1470, 121606), (1483, 120540), (1722, 103810), (2009, 88980), (2460, 72667), (2870, 62286), (2940, 60803), (2966, 60270), (3444, 51905), (4018, 44490), (4305, 41524), (4449, 40180), (5740, 31143), (5932, 30135), (6027, 29660), (7415, 24108), (8036, 22245), (8610, 20762), (8898, 20090), (10045, 17796), (10381, 17220), (12054, 14830)]