78975330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 229920768

約数和(自身を除く): 150945438

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 83, 105, 115, 138, 161, 166, 197, 210, 230, 249, 322, 345, 394, 415, 483, 498, 581, 591, 690, 805, 830, 966, 985, 1162, 1182, 1245, 1379, 1610, 1743, 1909, 1970, 2415, 2490, 2758, 2905, 2955, 3486, 3818, 4137, 4531, 4830, 5727, 5810, 5910, 6895, 8274, 8715, 9062, 9545, 11454, 13363, 13593, 13790, 16351, 17430, 19090, 20685, 22655, 26726, 27186, 28635, 31717, 32702, 40089, 41370, 45310, 49053, 57270, 63434, 66815, 67965, 80178, 81755, 95151, 98106, 114457, 133630, 135930, 158585, 163510, 190302, 200445, 228914, 245265, 317170, 343371, 376073, 400890, 475755, 490530, 572285, 686742, 752146, 951510, 1128219, 1144570, 1716855, 1880365, 2256438, 2632511, 3433710, 3760730, 5265022, 5641095, 7897533, 11282190, 13162555, 15795066, 26325110, 39487665, 78975330]

約数ペア:

[(1, 78975330), (2, 39487665), (3, 26325110), (5, 15795066), (6, 13162555), (7, 11282190), (10, 7897533), (14, 5641095), (15, 5265022), (21, 3760730), (23, 3433710), (30, 2632511), (35, 2256438), (42, 1880365), (46, 1716855), (69, 1144570), (70, 1128219), (83, 951510), (105, 752146), (115, 686742), (138, 572285), (161, 490530), (166, 475755), (197, 400890), (210, 376073), (230, 343371), (249, 317170), (322, 245265), (345, 228914), (394, 200445), (415, 190302), (483, 163510), (498, 158585), (581, 135930), (591, 133630), (690, 114457), (805, 98106), (830, 95151), (966, 81755), (985, 80178), (1162, 67965), (1182, 66815), (1245, 63434), (1379, 57270), (1610, 49053), (1743, 45310), (1909, 41370), (1970, 40089), (2415, 32702), (2490, 31717), (2758, 28635), (2905, 27186), (2955, 26726), (3486, 22655), (3818, 20685), (4137, 19090), (4531, 17430), (4830, 16351), (5727, 13790), (5810, 13593), (5910, 13363), (6895, 11454), (8274, 9545), (8715, 9062)]