268683640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 672235200

約数和(自身を除く): 403551560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 59, 68, 74, 85, 118, 136, 148, 170, 181, 185, 236, 295, 296, 340, 362, 370, 472, 590, 629, 680, 724, 740, 905, 1003, 1180, 1258, 1448, 1480, 1810, 2006, 2183, 2360, 2516, 3077, 3145, 3620, 4012, 4366, 5015, 5032, 6154, 6290, 6697, 7240, 8024, 8732, 10030, 10679, 10915, 12308, 12580, 13394, 15385, 17464, 20060, 21358, 21830, 24616, 25160, 26788, 30770, 33485, 37111, 40120, 42716, 43660, 53395, 53576, 61540, 66970, 74222, 85432, 87320, 106790, 113849, 123080, 133940, 148444, 181543, 185555, 213580, 227698, 267880, 296888, 363086, 371110, 395123, 427160, 455396, 569245, 726172, 742220, 790246, 907715, 910792, 1138490, 1452344, 1484440, 1580492, 1815430, 1975615, 2276980, 3160984, 3630860, 3951230, 4553960, 6717091, 7261720, 7902460, 13434182, 15804920, 26868364, 33585455, 53736728, 67170910, 134341820, 268683640]

約数ペア:

[(1, 268683640), (2, 134341820), (4, 67170910), (5, 53736728), (8, 33585455), (10, 26868364), (17, 15804920), (20, 13434182), (34, 7902460), (37, 7261720), (40, 6717091), (59, 4553960), (68, 3951230), (74, 3630860), (85, 3160984), (118, 2276980), (136, 1975615), (148, 1815430), (170, 1580492), (181, 1484440), (185, 1452344), (236, 1138490), (295, 910792), (296, 907715), (340, 790246), (362, 742220), (370, 726172), (472, 569245), (590, 455396), (629, 427160), (680, 395123), (724, 371110), (740, 363086), (905, 296888), (1003, 267880), (1180, 227698), (1258, 213580), (1448, 185555), (1480, 181543), (1810, 148444), (2006, 133940), (2183, 123080), (2360, 113849), (2516, 106790), (3077, 87320), (3145, 85432), (3620, 74222), (4012, 66970), (4366, 61540), (5015, 53576), (5032, 53395), (6154, 43660), (6290, 42716), (6697, 40120), (7240, 37111), (8024, 33485), (8732, 30770), (10030, 26788), (10679, 25160), (10915, 24616), (12308, 21830), (12580, 21358), (13394, 20060), (15385, 17464)]