401180040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{123821}}^1$

素因数の和:123844

約数の個数: 80

約数和(自身を含む): 1348421580

約数和(自身を除く): 947241540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 123821, 247642, 371463, 495284, 619105, 742926, 990568, 1114389, 1238210, 1485852, 1857315, 2228778, 2476420, 2971704, 3343167, 3714630, 4457556, 4952840, 5571945, 6686334, 7429260, 8915112, 10029501, 11143890, 13372668, 14858520, 16715835, 20059002, 22287780, 26745336, 33431670, 40118004, 44575560, 50147505, 66863340, 80236008, 100295010, 133726680, 200590020, 401180040]

約数ペア:

[(1, 401180040), (2, 200590020), (3, 133726680), (4, 100295010), (5, 80236008), (6, 66863340), (8, 50147505), (9, 44575560), (10, 40118004), (12, 33431670), (15, 26745336), (18, 22287780), (20, 20059002), (24, 16715835), (27, 14858520), (30, 13372668), (36, 11143890), (40, 10029501), (45, 8915112), (54, 7429260), (60, 6686334), (72, 5571945), (81, 4952840), (90, 4457556), (108, 3714630), (120, 3343167), (135, 2971704), (162, 2476420), (180, 2228778), (216, 1857315), (270, 1485852), (324, 1238210), (360, 1114389), (405, 990568), (540, 742926), (648, 619105), (810, 495284), (1080, 371463), (1620, 247642), (3240, 123821)]