687999420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{599}}^1\times {\mathrm{709}}^1$

素因数の和:1329

約数の個数: 120

約数和(自身を含む): 2164932000

約数和(自身を除く): 1476932580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 599, 709, 810, 1198, 1418, 1620, 1797, 2127, 2396, 2836, 2995, 3545, 3594, 4254, 5391, 5990, 6381, 7090, 7188, 8508, 8985, 10635, 10782, 11980, 12762, 14180, 16173, 17970, 19143, 21270, 21564, 25524, 26955, 31905, 32346, 35940, 38286, 42540, 48519, 53910, 57429, 63810, 64692, 76572, 80865, 95715, 97038, 107820, 114858, 127620, 161730, 191430, 194076, 229716, 242595, 287145, 323460, 382860, 424691, 485190, 574290, 849382, 970380, 1148580, 1274073, 1698764, 2123455, 2548146, 3822219, 4246910, 5096292, 6370365, 7644438, 8493820, 11466657, 12740730, 15288876, 19111095, 22933314, 25481460, 34399971, 38222190, 45866628, 57333285, 68799942, 76444380, 114666570, 137599884, 171999855, 229333140, 343999710, 687999420]

約数ペア:

[(1, 687999420), (2, 343999710), (3, 229333140), (4, 171999855), (5, 137599884), (6, 114666570), (9, 76444380), (10, 68799942), (12, 57333285), (15, 45866628), (18, 38222190), (20, 34399971), (27, 25481460), (30, 22933314), (36, 19111095), (45, 15288876), (54, 12740730), (60, 11466657), (81, 8493820), (90, 7644438), (108, 6370365), (135, 5096292), (162, 4246910), (180, 3822219), (270, 2548146), (324, 2123455), (405, 1698764), (540, 1274073), (599, 1148580), (709, 970380), (810, 849382), (1198, 574290), (1418, 485190), (1620, 424691), (1797, 382860), (2127, 323460), (2396, 287145), (2836, 242595), (2995, 229716), (3545, 194076), (3594, 191430), (4254, 161730), (5391, 127620), (5990, 114858), (6381, 107820), (7090, 97038), (7188, 95715), (8508, 80865), (8985, 76572), (10635, 64692), (10782, 63810), (11980, 57429), (12762, 53910), (14180, 48519), (16173, 42540), (17970, 38286), (19143, 35940), (21270, 32346), (21564, 31905), (25524, 26955)]