128576440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8221}}^1$

素因数の和:8272

約数の個数: 64

約数和(自身を含む): 319671360

約数和(自身を除く): 191094920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 7820, 8221, 15640, 16442, 32884, 41105, 65768, 82210, 139757, 164420, 189083, 279514, 328840, 378166, 559028, 698785, 756332, 945415, 1118056, 1397570, 1512664, 1890830, 2795140, 3214411, 3781660, 5590280, 6428822, 7563320, 12857644, 16072055, 25715288, 32144110, 64288220, 128576440]

約数ペア:

[(1, 128576440), (2, 64288220), (4, 32144110), (5, 25715288), (8, 16072055), (10, 12857644), (17, 7563320), (20, 6428822), (23, 5590280), (34, 3781660), (40, 3214411), (46, 2795140), (68, 1890830), (85, 1512664), (92, 1397570), (115, 1118056), (136, 945415), (170, 756332), (184, 698785), (230, 559028), (340, 378166), (391, 328840), (460, 279514), (680, 189083), (782, 164420), (920, 139757), (1564, 82210), (1955, 65768), (3128, 41105), (3910, 32884), (7820, 16442), (8221, 15640)]