74168120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 191600640

約数和(自身を除く): 117432520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 43, 52, 62, 65, 86, 104, 107, 124, 130, 155, 172, 214, 215, 248, 260, 310, 344, 403, 428, 430, 520, 535, 559, 620, 806, 856, 860, 1070, 1118, 1240, 1333, 1391, 1612, 1720, 2015, 2140, 2236, 2666, 2782, 2795, 3224, 3317, 4030, 4280, 4472, 4601, 5332, 5564, 5590, 6634, 6665, 6955, 8060, 9202, 10664, 11128, 11180, 13268, 13330, 13910, 16120, 16585, 17329, 18404, 22360, 23005, 26536, 26660, 27820, 33170, 34658, 36808, 43121, 46010, 53320, 55640, 59813, 66340, 69316, 86242, 86645, 92020, 119626, 132680, 138632, 142631, 172484, 173290, 184040, 215605, 239252, 285262, 299065, 344968, 346580, 431210, 478504, 570524, 598130, 693160, 713155, 862420, 1141048, 1196260, 1426310, 1724840, 1854203, 2392520, 2852620, 3708406, 5705240, 7416812, 9271015, 14833624, 18542030, 37084060, 74168120]

約数ペア:

[(1, 74168120), (2, 37084060), (4, 18542030), (5, 14833624), (8, 9271015), (10, 7416812), (13, 5705240), (20, 3708406), (26, 2852620), (31, 2392520), (40, 1854203), (43, 1724840), (52, 1426310), (62, 1196260), (65, 1141048), (86, 862420), (104, 713155), (107, 693160), (124, 598130), (130, 570524), (155, 478504), (172, 431210), (214, 346580), (215, 344968), (248, 299065), (260, 285262), (310, 239252), (344, 215605), (403, 184040), (428, 173290), (430, 172484), (520, 142631), (535, 138632), (559, 132680), (620, 119626), (806, 92020), (856, 86645), (860, 86242), (1070, 69316), (1118, 66340), (1240, 59813), (1333, 55640), (1391, 53320), (1612, 46010), (1720, 43121), (2015, 36808), (2140, 34658), (2236, 33170), (2666, 27820), (2782, 26660), (2795, 26536), (3224, 23005), (3317, 22360), (4030, 18404), (4280, 17329), (4472, 16585), (4601, 16120), (5332, 13910), (5564, 13330), (5590, 13268), (6634, 11180), (6665, 11128), (6955, 10664), (8060, 9202)]