155969680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1$

素因数の和:1136

約数の個数: 80

約数和(自身を含む): 380832768

約数和(自身を除く): 224863088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 976, 1031, 1220, 1240, 1891, 2062, 2440, 2480, 3782, 4124, 4880, 5155, 7564, 8248, 9455, 10310, 15128, 16496, 18910, 20620, 30256, 31961, 37820, 41240, 62891, 63922, 75640, 82480, 125782, 127844, 151280, 159805, 251564, 255688, 314455, 319610, 503128, 511376, 628910, 639220, 1006256, 1257820, 1278440, 1949621, 2515640, 2556880, 3899242, 5031280, 7798484, 9748105, 15596968, 19496210, 31193936, 38992420, 77984840, 155969680]

約数ペア:

[(1, 155969680), (2, 77984840), (4, 38992420), (5, 31193936), (8, 19496210), (10, 15596968), (16, 9748105), (20, 7798484), (31, 5031280), (40, 3899242), (61, 2556880), (62, 2515640), (80, 1949621), (122, 1278440), (124, 1257820), (155, 1006256), (244, 639220), (248, 628910), (305, 511376), (310, 503128), (488, 319610), (496, 314455), (610, 255688), (620, 251564), (976, 159805), (1031, 151280), (1220, 127844), (1240, 125782), (1891, 82480), (2062, 75640), (2440, 63922), (2480, 62891), (3782, 41240), (4124, 37820), (4880, 31961), (5155, 30256), (7564, 20620), (8248, 18910), (9455, 16496), (10310, 15128)]