221180040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19819}}^1$

素因数の和:19867

約数の個数: 96

約数和(自身を含む): 742060800

約数和(自身を除く): 520880760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 19819, 39638, 59457, 79276, 99095, 118914, 158552, 178371, 198190, 237828, 297285, 356742, 396380, 475656, 594570, 614389, 713484, 792760, 891855, 1189140, 1228778, 1426968, 1783710, 1843167, 2378280, 2457556, 3071945, 3567420, 3686334, 4915112, 5529501, 6143890, 7134840, 7372668, 9215835, 11059002, 12287780, 14745336, 18431670, 22118004, 24575560, 27647505, 36863340, 44236008, 55295010, 73726680, 110590020, 221180040]

約数ペア:

[(1, 221180040), (2, 110590020), (3, 73726680), (4, 55295010), (5, 44236008), (6, 36863340), (8, 27647505), (9, 24575560), (10, 22118004), (12, 18431670), (15, 14745336), (18, 12287780), (20, 11059002), (24, 9215835), (30, 7372668), (31, 7134840), (36, 6143890), (40, 5529501), (45, 4915112), (60, 3686334), (62, 3567420), (72, 3071945), (90, 2457556), (93, 2378280), (120, 1843167), (124, 1783710), (155, 1426968), (180, 1228778), (186, 1189140), (248, 891855), (279, 792760), (310, 713484), (360, 614389), (372, 594570), (465, 475656), (558, 396380), (620, 356742), (744, 297285), (930, 237828), (1116, 198190), (1240, 178371), (1395, 158552), (1860, 118914), (2232, 99095), (2790, 79276), (3720, 59457), (5580, 39638), (11160, 19819)]