253871880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124447}}^1$

素因数の和:124478

約数の個数: 64

約数和(自身を含む): 806423040

約数和(自身を除く): 552551160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 124447, 248894, 373341, 497788, 622235, 746682, 995576, 1244470, 1493364, 1866705, 2115599, 2488940, 2986728, 3733410, 4231198, 4977880, 6346797, 7466820, 8462396, 10577995, 12693594, 14933640, 16924792, 21155990, 25387188, 31733985, 42311980, 50774376, 63467970, 84623960, 126935940, 253871880]

約数ペア:

[(1, 253871880), (2, 126935940), (3, 84623960), (4, 63467970), (5, 50774376), (6, 42311980), (8, 31733985), (10, 25387188), (12, 21155990), (15, 16924792), (17, 14933640), (20, 12693594), (24, 10577995), (30, 8462396), (34, 7466820), (40, 6346797), (51, 4977880), (60, 4231198), (68, 3733410), (85, 2986728), (102, 2488940), (120, 2115599), (136, 1866705), (170, 1493364), (204, 1244470), (255, 995576), (340, 746682), (408, 622235), (510, 497788), (680, 373341), (1020, 248894), (2040, 124447)]