161995860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:782

約数の個数: 144

約数和(自身を含む): 534957696

約数和(自身を除く): 372961836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 107, 117, 130, 156, 180, 195, 214, 234, 260, 321, 390, 428, 468, 535, 585, 642, 647, 780, 963, 1070, 1170, 1284, 1294, 1391, 1605, 1926, 1941, 2140, 2340, 2588, 2782, 3210, 3235, 3852, 3882, 4173, 4815, 5564, 5823, 6420, 6470, 6955, 7764, 8346, 8411, 9630, 9705, 11646, 12519, 12940, 13910, 16692, 16822, 19260, 19410, 20865, 23292, 25038, 25233, 27820, 29115, 33644, 38820, 41730, 42055, 50076, 50466, 58230, 62595, 69229, 75699, 83460, 84110, 100932, 116460, 125190, 126165, 138458, 151398, 168220, 207687, 250380, 252330, 276916, 302796, 346145, 378495, 415374, 504660, 623061, 692290, 756990, 830748, 899977, 1038435, 1246122, 1384580, 1513980, 1799954, 2076870, 2492244, 2699931, 3115305, 3599908, 4153740, 4499885, 5399862, 6230610, 8099793, 8999770, 10799724, 12461220, 13499655, 16199586, 17999540, 26999310, 32399172, 40498965, 53998620, 80997930, 161995860]

約数ペア:

[(1, 161995860), (2, 80997930), (3, 53998620), (4, 40498965), (5, 32399172), (6, 26999310), (9, 17999540), (10, 16199586), (12, 13499655), (13, 12461220), (15, 10799724), (18, 8999770), (20, 8099793), (26, 6230610), (30, 5399862), (36, 4499885), (39, 4153740), (45, 3599908), (52, 3115305), (60, 2699931), (65, 2492244), (78, 2076870), (90, 1799954), (107, 1513980), (117, 1384580), (130, 1246122), (156, 1038435), (180, 899977), (195, 830748), (214, 756990), (234, 692290), (260, 623061), (321, 504660), (390, 415374), (428, 378495), (468, 346145), (535, 302796), (585, 276916), (642, 252330), (647, 250380), (780, 207687), (963, 168220), (1070, 151398), (1170, 138458), (1284, 126165), (1294, 125190), (1391, 116460), (1605, 100932), (1926, 84110), (1941, 83460), (2140, 75699), (2340, 69229), (2588, 62595), (2782, 58230), (3210, 50466), (3235, 50076), (3852, 42055), (3882, 41730), (4173, 38820), (4815, 33644), (5564, 29115), (5823, 27820), (6420, 25233), (6470, 25038), (6955, 23292), (7764, 20865), (8346, 19410), (8411, 19260), (9630, 16822), (9705, 16692), (11646, 13910), (12519, 12940)]