7777977870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{2351}}^1$

素因数の和:2890

約数の個数: 128

約数和(自身を含む): 21337344000

約数和(自身を除く): 13559366130

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 499, 510, 663, 998, 1105, 1326, 1497, 2210, 2351, 2495, 2994, 3315, 4702, 4990, 6487, 6630, 7053, 7485, 8483, 11755, 12974, 14106, 14970, 16966, 19461, 23510, 25449, 30563, 32435, 35265, 38922, 39967, 42415, 50898, 61126, 64870, 70530, 79934, 84830, 91689, 97305, 110279, 119901, 127245, 152815, 183378, 194610, 199835, 220558, 239802, 254490, 305630, 330837, 399670, 458445, 519571, 551395, 599505, 661674, 916890, 1039142, 1102790, 1173149, 1199010, 1558713, 1654185, 2346298, 2597855, 3117426, 3308370, 3519447, 5195710, 5865745, 7038894, 7793565, 11731490, 15250937, 15587130, 17597235, 19943533, 30501874, 35194470, 39887066, 45752811, 59830599, 76254685, 91505622, 99717665, 119661198, 152509370, 199435330, 228764055, 259265929, 299152995, 457528110, 518531858, 598305990, 777797787, 1296329645, 1555595574, 2592659290, 3888988935, 7777977870]

約数ペア:

[(1, 7777977870), (2, 3888988935), (3, 2592659290), (5, 1555595574), (6, 1296329645), (10, 777797787), (13, 598305990), (15, 518531858), (17, 457528110), (26, 299152995), (30, 259265929), (34, 228764055), (39, 199435330), (51, 152509370), (65, 119661198), (78, 99717665), (85, 91505622), (102, 76254685), (130, 59830599), (170, 45752811), (195, 39887066), (221, 35194470), (255, 30501874), (390, 19943533), (442, 17597235), (499, 15587130), (510, 15250937), (663, 11731490), (998, 7793565), (1105, 7038894), (1326, 5865745), (1497, 5195710), (2210, 3519447), (2351, 3308370), (2495, 3117426), (2994, 2597855), (3315, 2346298), (4702, 1654185), (4990, 1558713), (6487, 1199010), (6630, 1173149), (7053, 1102790), (7485, 1039142), (8483, 916890), (11755, 661674), (12974, 599505), (14106, 551395), (14970, 519571), (16966, 458445), (19461, 399670), (23510, 330837), (25449, 305630), (30563, 254490), (32435, 239802), (35265, 220558), (38922, 199835), (39967, 194610), (42415, 183378), (50898, 152815), (61126, 127245), (64870, 119901), (70530, 110279), (79934, 97305), (84830, 91689)]