90639640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:741

約数の個数: 128

約数和(自身を含む): 258168960

約数和(自身を除く): 167529320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 259, 260, 280, 296, 364, 370, 455, 481, 518, 520, 673, 728, 740, 910, 962, 1036, 1295, 1346, 1480, 1820, 1924, 2072, 2405, 2590, 2692, 3365, 3367, 3640, 3848, 4711, 4810, 5180, 5384, 6730, 6734, 8749, 9422, 9620, 10360, 13460, 13468, 16835, 17498, 18844, 19240, 23555, 24901, 26920, 26936, 33670, 34996, 37688, 43745, 47110, 49802, 61243, 67340, 69992, 87490, 94220, 99604, 122486, 124505, 134680, 174307, 174980, 188440, 199208, 244972, 249010, 306215, 323713, 348614, 349960, 489944, 498020, 612430, 647426, 697228, 871535, 996040, 1224860, 1294852, 1394456, 1618565, 1743070, 2265991, 2449720, 2589704, 3237130, 3486140, 4531982, 6474260, 6972280, 9063964, 11329955, 12948520, 18127928, 22659910, 45319820, 90639640]

約数ペア:

[(1, 90639640), (2, 45319820), (4, 22659910), (5, 18127928), (7, 12948520), (8, 11329955), (10, 9063964), (13, 6972280), (14, 6474260), (20, 4531982), (26, 3486140), (28, 3237130), (35, 2589704), (37, 2449720), (40, 2265991), (52, 1743070), (56, 1618565), (65, 1394456), (70, 1294852), (74, 1224860), (91, 996040), (104, 871535), (130, 697228), (140, 647426), (148, 612430), (182, 498020), (185, 489944), (259, 349960), (260, 348614), (280, 323713), (296, 306215), (364, 249010), (370, 244972), (455, 199208), (481, 188440), (518, 174980), (520, 174307), (673, 134680), (728, 124505), (740, 122486), (910, 99604), (962, 94220), (1036, 87490), (1295, 69992), (1346, 67340), (1480, 61243), (1820, 49802), (1924, 47110), (2072, 43745), (2405, 37688), (2590, 34996), (2692, 33670), (3365, 26936), (3367, 26920), (3640, 24901), (3848, 23555), (4711, 19240), (4810, 18844), (5180, 17498), (5384, 16835), (6730, 13468), (6734, 13460), (8749, 10360), (9422, 9620)]