1918398420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{343799}}^1$

素因数の和:343845

約数の個数: 72

約数和(自身を含む): 6006873600

約数和(自身を除く): 4088475180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 343799, 687598, 1031397, 1375196, 1718995, 2062794, 3094191, 3437990, 4125588, 5156985, 6188382, 6875980, 10313970, 10657769, 12376764, 15470955, 20627940, 21315538, 30941910, 31973307, 42631076, 53288845, 61883820, 63946614, 95919921, 106577690, 127893228, 159866535, 191839842, 213155380, 319733070, 383679684, 479599605, 639466140, 959199210, 1918398420]

約数ペア:

[(1, 1918398420), (2, 959199210), (3, 639466140), (4, 479599605), (5, 383679684), (6, 319733070), (9, 213155380), (10, 191839842), (12, 159866535), (15, 127893228), (18, 106577690), (20, 95919921), (30, 63946614), (31, 61883820), (36, 53288845), (45, 42631076), (60, 31973307), (62, 30941910), (90, 21315538), (93, 20627940), (124, 15470955), (155, 12376764), (180, 10657769), (186, 10313970), (279, 6875980), (310, 6188382), (372, 5156985), (465, 4125588), (558, 3437990), (620, 3094191), (930, 2062794), (1116, 1718995), (1395, 1375196), (1860, 1031397), (2790, 687598), (5580, 343799)]