31580497780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{26561}}^1$

素因数の和:26869

約数の個数: 96

約数和(自身を含む): 75905696160

約数和(自身を除く): 44325198380

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 269, 340, 442, 538, 884, 1076, 1105, 1345, 2210, 2690, 3497, 4420, 4573, 5380, 6994, 9146, 13988, 17485, 18292, 22865, 26561, 34970, 45730, 53122, 59449, 69940, 91460, 106244, 118898, 132805, 237796, 265610, 297245, 345293, 451537, 531220, 594490, 690586, 903074, 1188980, 1381172, 1726465, 1806148, 2257685, 3452930, 4515370, 5869981, 6905860, 7144909, 9030740, 11739962, 14289818, 23479924, 28579636, 29349905, 35724545, 58699810, 71449090, 92883817, 117399620, 121463453, 142898180, 185767634, 242926906, 371535268, 464419085, 485853812, 607317265, 928838170, 1214634530, 1579024889, 1857676340, 2429269060, 3158049778, 6316099556, 7895124445, 15790248890, 31580497780]

約数ペア:

[(1, 31580497780), (2, 15790248890), (4, 7895124445), (5, 6316099556), (10, 3158049778), (13, 2429269060), (17, 1857676340), (20, 1579024889), (26, 1214634530), (34, 928838170), (52, 607317265), (65, 485853812), (68, 464419085), (85, 371535268), (130, 242926906), (170, 185767634), (221, 142898180), (260, 121463453), (269, 117399620), (340, 92883817), (442, 71449090), (538, 58699810), (884, 35724545), (1076, 29349905), (1105, 28579636), (1345, 23479924), (2210, 14289818), (2690, 11739962), (3497, 9030740), (4420, 7144909), (4573, 6905860), (5380, 5869981), (6994, 4515370), (9146, 3452930), (13988, 2257685), (17485, 1806148), (18292, 1726465), (22865, 1381172), (26561, 1188980), (34970, 903074), (45730, 690586), (53122, 594490), (59449, 531220), (69940, 451537), (91460, 345293), (106244, 297245), (118898, 265610), (132805, 237796)]