162319720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1657}}^1$

素因数の和:1778

約数の個数: 64

約数和(自身を含む): 382003200

約数和(自身を除く): 219683480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1240, 1580, 1657, 2449, 3160, 3314, 4898, 6628, 8285, 9796, 12245, 13256, 16570, 19592, 24490, 33140, 48980, 51367, 66280, 97960, 102734, 130903, 205468, 256835, 261806, 410936, 513670, 523612, 654515, 1027340, 1047224, 1309030, 2054680, 2618060, 4057993, 5236120, 8115986, 16231972, 20289965, 32463944, 40579930, 81159860, 162319720]

約数ペア:

[(1, 162319720), (2, 81159860), (4, 40579930), (5, 32463944), (8, 20289965), (10, 16231972), (20, 8115986), (31, 5236120), (40, 4057993), (62, 2618060), (79, 2054680), (124, 1309030), (155, 1047224), (158, 1027340), (248, 654515), (310, 523612), (316, 513670), (395, 410936), (620, 261806), (632, 256835), (790, 205468), (1240, 130903), (1580, 102734), (1657, 97960), (2449, 66280), (3160, 51367), (3314, 48980), (4898, 33140), (6628, 24490), (8285, 19592), (9796, 16570), (12245, 13256)]