85919720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1626

約数の個数: 64

約数和(自身を含む): 205165440

約数和(自身を除く): 119245720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 610, 920, 1220, 1403, 1531, 2440, 2806, 3062, 5612, 6124, 7015, 7655, 11224, 12248, 14030, 15310, 28060, 30620, 35213, 56120, 61240, 70426, 93391, 140852, 176065, 186782, 281704, 352130, 373564, 466955, 704260, 747128, 933910, 1408520, 1867820, 2147993, 3735640, 4295986, 8591972, 10739965, 17183944, 21479930, 42959860, 85919720]

約数ペア:

[(1, 85919720), (2, 42959860), (4, 21479930), (5, 17183944), (8, 10739965), (10, 8591972), (20, 4295986), (23, 3735640), (40, 2147993), (46, 1867820), (61, 1408520), (92, 933910), (115, 747128), (122, 704260), (184, 466955), (230, 373564), (244, 352130), (305, 281704), (460, 186782), (488, 176065), (610, 140852), (920, 93391), (1220, 70426), (1403, 61240), (1531, 56120), (2440, 35213), (2806, 30620), (3062, 28060), (5612, 15310), (6124, 14030), (7015, 12248), (7655, 11224)]