31880940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5839}}^1$

素因数の和:5871

約数の個数: 96

約数和(自身を含む): 109885440

約数和(自身を除く): 78004500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 5839, 11678, 17517, 23356, 29195, 35034, 40873, 58390, 70068, 75907, 81746, 87585, 116780, 122619, 151814, 163492, 175170, 204365, 227721, 245238, 303628, 350340, 379535, 408730, 455442, 490476, 531349, 613095, 759070, 817460, 910884, 1062698, 1138605, 1226190, 1518140, 1594047, 2125396, 2277210, 2452380, 2656745, 3188094, 4554420, 5313490, 6376188, 7970235, 10626980, 15940470, 31880940]

約数ペア:

[(1, 31880940), (2, 15940470), (3, 10626980), (4, 7970235), (5, 6376188), (6, 5313490), (7, 4554420), (10, 3188094), (12, 2656745), (13, 2452380), (14, 2277210), (15, 2125396), (20, 1594047), (21, 1518140), (26, 1226190), (28, 1138605), (30, 1062698), (35, 910884), (39, 817460), (42, 759070), (52, 613095), (60, 531349), (65, 490476), (70, 455442), (78, 408730), (84, 379535), (91, 350340), (105, 303628), (130, 245238), (140, 227721), (156, 204365), (182, 175170), (195, 163492), (210, 151814), (260, 122619), (273, 116780), (364, 87585), (390, 81746), (420, 75907), (455, 70068), (546, 58390), (780, 40873), (910, 35034), (1092, 29195), (1365, 23356), (1820, 17517), (2730, 11678), (5460, 5839)]