78957340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 214502400

約数和(自身を除く): 135545060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 59, 70, 77, 79, 110, 118, 121, 140, 154, 158, 220, 236, 242, 295, 308, 316, 385, 395, 413, 484, 553, 590, 605, 649, 770, 790, 826, 847, 869, 1106, 1180, 1210, 1298, 1540, 1580, 1652, 1694, 1738, 2065, 2212, 2420, 2596, 2765, 3245, 3388, 3476, 4130, 4235, 4345, 4543, 4661, 5530, 6083, 6490, 7139, 8260, 8470, 8690, 9086, 9322, 9559, 11060, 12166, 12980, 14278, 16940, 17380, 18172, 18644, 19118, 22715, 23305, 24332, 28556, 30415, 32627, 35695, 38236, 45430, 46610, 47795, 49973, 51271, 60830, 65254, 66913, 71390, 90860, 93220, 95590, 99946, 102542, 121660, 130508, 133826, 142780, 163135, 191180, 199892, 205084, 249865, 256355, 267652, 326270, 334565, 358897, 499730, 512710, 563981, 652540, 669130, 717794, 999460, 1025420, 1127962, 1338260, 1435588, 1794485, 2255924, 2819905, 3588970, 3947867, 5639810, 7177940, 7895734, 11279620, 15791468, 19739335, 39478670, 78957340]

約数ペア:

[(1, 78957340), (2, 39478670), (4, 19739335), (5, 15791468), (7, 11279620), (10, 7895734), (11, 7177940), (14, 5639810), (20, 3947867), (22, 3588970), (28, 2819905), (35, 2255924), (44, 1794485), (55, 1435588), (59, 1338260), (70, 1127962), (77, 1025420), (79, 999460), (110, 717794), (118, 669130), (121, 652540), (140, 563981), (154, 512710), (158, 499730), (220, 358897), (236, 334565), (242, 326270), (295, 267652), (308, 256355), (316, 249865), (385, 205084), (395, 199892), (413, 191180), (484, 163135), (553, 142780), (590, 133826), (605, 130508), (649, 121660), (770, 102542), (790, 99946), (826, 95590), (847, 93220), (869, 90860), (1106, 71390), (1180, 66913), (1210, 65254), (1298, 60830), (1540, 51271), (1580, 49973), (1652, 47795), (1694, 46610), (1738, 45430), (2065, 38236), (2212, 35695), (2420, 32627), (2596, 30415), (2765, 28556), (3245, 24332), (3388, 23305), (3476, 22715), (4130, 19118), (4235, 18644), (4345, 18172), (4543, 17380), (4661, 16940), (5530, 14278), (6083, 12980), (6490, 12166), (7139, 11060), (8260, 9559), (8470, 9322), (8690, 9086)]