163919080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 428198400

約数和(自身を除く): 264279320

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 47, 52, 65, 76, 94, 95, 104, 130, 152, 188, 190, 235, 247, 260, 353, 376, 380, 470, 494, 520, 611, 706, 760, 893, 940, 988, 1222, 1235, 1412, 1765, 1786, 1880, 1976, 2444, 2470, 2824, 3055, 3530, 3572, 4465, 4589, 4888, 4940, 6110, 6707, 7060, 7144, 8930, 9178, 9880, 11609, 12220, 13414, 14120, 16591, 17860, 18356, 22945, 23218, 24440, 26828, 33182, 33535, 35720, 36712, 45890, 46436, 53656, 58045, 66364, 67070, 82955, 87191, 91780, 92872, 116090, 132728, 134140, 165910, 174382, 183560, 215683, 232180, 268280, 315229, 331820, 348764, 431366, 435955, 464360, 630458, 663640, 697528, 862732, 871910, 1078415, 1260916, 1576145, 1725464, 1743820, 2156830, 2521832, 3152290, 3487640, 4097977, 4313660, 6304580, 8195954, 8627320, 12609160, 16391908, 20489885, 32783816, 40979770, 81959540, 163919080]

約数ペア:

[(1, 163919080), (2, 81959540), (4, 40979770), (5, 32783816), (8, 20489885), (10, 16391908), (13, 12609160), (19, 8627320), (20, 8195954), (26, 6304580), (38, 4313660), (40, 4097977), (47, 3487640), (52, 3152290), (65, 2521832), (76, 2156830), (94, 1743820), (95, 1725464), (104, 1576145), (130, 1260916), (152, 1078415), (188, 871910), (190, 862732), (235, 697528), (247, 663640), (260, 630458), (353, 464360), (376, 435955), (380, 431366), (470, 348764), (494, 331820), (520, 315229), (611, 268280), (706, 232180), (760, 215683), (893, 183560), (940, 174382), (988, 165910), (1222, 134140), (1235, 132728), (1412, 116090), (1765, 92872), (1786, 91780), (1880, 87191), (1976, 82955), (2444, 67070), (2470, 66364), (2824, 58045), (3055, 53656), (3530, 46436), (3572, 45890), (4465, 36712), (4589, 35720), (4888, 33535), (4940, 33182), (6110, 26828), (6707, 24440), (7060, 23218), (7144, 22945), (8930, 18356), (9178, 17860), (9880, 16591), (11609, 14120), (12220, 13414)]