68403920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 160

約数和(自身を含む): 187300512

約数和(自身を除く): 118896592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 53, 65, 68, 73, 80, 85, 104, 106, 130, 136, 146, 170, 208, 212, 221, 260, 265, 272, 292, 340, 365, 424, 442, 520, 530, 584, 680, 689, 730, 848, 884, 901, 949, 1040, 1060, 1105, 1168, 1241, 1360, 1378, 1460, 1768, 1802, 1898, 2120, 2210, 2482, 2756, 2920, 3445, 3536, 3604, 3796, 3869, 4240, 4420, 4505, 4745, 4964, 5512, 5840, 6205, 6890, 7208, 7592, 7738, 8840, 9010, 9490, 9928, 11024, 11713, 12410, 13780, 14416, 15184, 15476, 16133, 17680, 18020, 18980, 19345, 19856, 23426, 24820, 27560, 30952, 32266, 36040, 37960, 38690, 46852, 49640, 50297, 55120, 58565, 61904, 64532, 65773, 72080, 75920, 77380, 80665, 93704, 99280, 100594, 117130, 129064, 131546, 154760, 161330, 187408, 201188, 234260, 251485, 258128, 263092, 309520, 322660, 328865, 402376, 468520, 502970, 526184, 645320, 657730, 804752, 855049, 937040, 1005940, 1052368, 1290640, 1315460, 1710098, 2011880, 2630920, 3420196, 4023760, 4275245, 5261840, 6840392, 8550490, 13680784, 17100980, 34201960, 68403920]

約数ペア:

[(1, 68403920), (2, 34201960), (4, 17100980), (5, 13680784), (8, 8550490), (10, 6840392), (13, 5261840), (16, 4275245), (17, 4023760), (20, 3420196), (26, 2630920), (34, 2011880), (40, 1710098), (52, 1315460), (53, 1290640), (65, 1052368), (68, 1005940), (73, 937040), (80, 855049), (85, 804752), (104, 657730), (106, 645320), (130, 526184), (136, 502970), (146, 468520), (170, 402376), (208, 328865), (212, 322660), (221, 309520), (260, 263092), (265, 258128), (272, 251485), (292, 234260), (340, 201188), (365, 187408), (424, 161330), (442, 154760), (520, 131546), (530, 129064), (584, 117130), (680, 100594), (689, 99280), (730, 93704), (848, 80665), (884, 77380), (901, 75920), (949, 72080), (1040, 65773), (1060, 64532), (1105, 61904), (1168, 58565), (1241, 55120), (1360, 50297), (1378, 49640), (1460, 46852), (1768, 38690), (1802, 37960), (1898, 36040), (2120, 32266), (2210, 30952), (2482, 27560), (2756, 24820), (2920, 23426), (3445, 19856), (3536, 19345), (3604, 18980), (3796, 18020), (3869, 17680), (4240, 16133), (4420, 15476), (4505, 15184), (4745, 14416), (4964, 13780), (5512, 12410), (5840, 11713), (6205, 11024), (6890, 9928), (7208, 9490), (7592, 9010), (7738, 8840)]