1282505250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:893

約数の個数: 128

約数和(自身を含む): 3469939200

約数和(自身を除く): 2187433950

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 199, 250, 325, 375, 390, 398, 597, 650, 661, 750, 975, 995, 1194, 1322, 1625, 1950, 1983, 1990, 2587, 2985, 3250, 3305, 3966, 4875, 4975, 5174, 5970, 6610, 7761, 8593, 9750, 9915, 9950, 12935, 14925, 15522, 16525, 17186, 19830, 24875, 25779, 25870, 29850, 33050, 38805, 42965, 49575, 49750, 51558, 64675, 74625, 77610, 82625, 85930, 99150, 128895, 129350, 131539, 149250, 165250, 194025, 214825, 247875, 257790, 263078, 323375, 388050, 394617, 429650, 495750, 644475, 646750, 657695, 789234, 970125, 1074125, 1288950, 1315390, 1710007, 1940250, 1973085, 2148250, 3222375, 3288475, 3420014, 3946170, 5130021, 6444750, 6576950, 8550035, 9865425, 10260042, 16442375, 17100070, 19730850, 25650105, 32884750, 42750175, 49327125, 51300210, 85500350, 98654250, 128250525, 213750875, 256501050, 427501750, 641252625, 1282505250]

約数ペア:

[(1, 1282505250), (2, 641252625), (3, 427501750), (5, 256501050), (6, 213750875), (10, 128250525), (13, 98654250), (15, 85500350), (25, 51300210), (26, 49327125), (30, 42750175), (39, 32884750), (50, 25650105), (65, 19730850), (75, 17100070), (78, 16442375), (125, 10260042), (130, 9865425), (150, 8550035), (195, 6576950), (199, 6444750), (250, 5130021), (325, 3946170), (375, 3420014), (390, 3288475), (398, 3222375), (597, 2148250), (650, 1973085), (661, 1940250), (750, 1710007), (975, 1315390), (995, 1288950), (1194, 1074125), (1322, 970125), (1625, 789234), (1950, 657695), (1983, 646750), (1990, 644475), (2587, 495750), (2985, 429650), (3250, 394617), (3305, 388050), (3966, 323375), (4875, 263078), (4975, 257790), (5174, 247875), (5970, 214825), (6610, 194025), (7761, 165250), (8593, 149250), (9750, 131539), (9915, 129350), (9950, 128895), (12935, 99150), (14925, 85930), (15522, 82625), (16525, 77610), (17186, 74625), (19830, 64675), (24875, 51558), (25779, 49750), (25870, 49575), (29850, 42965), (33050, 38805)]