231515440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 615960576

約数和(自身を除く): 384445136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 43, 52, 62, 65, 80, 86, 104, 124, 130, 155, 167, 172, 208, 215, 248, 260, 310, 334, 344, 403, 430, 496, 520, 559, 620, 668, 688, 806, 835, 860, 1040, 1118, 1240, 1333, 1336, 1612, 1670, 1720, 2015, 2171, 2236, 2480, 2666, 2672, 2795, 3224, 3340, 3440, 4030, 4342, 4472, 5177, 5332, 5590, 6448, 6665, 6680, 7181, 8060, 8684, 8944, 10354, 10664, 10855, 11180, 13330, 13360, 14362, 16120, 17329, 17368, 20708, 21328, 21710, 22360, 25885, 26660, 28724, 32240, 34658, 34736, 35905, 41416, 43420, 44720, 51770, 53320, 57448, 67301, 69316, 71810, 82832, 86645, 86840, 93353, 103540, 106640, 114896, 134602, 138632, 143620, 173290, 173680, 186706, 207080, 222611, 269204, 277264, 287240, 336505, 346580, 373412, 414160, 445222, 466765, 538408, 574480, 673010, 693160, 746824, 890444, 933530, 1076816, 1113055, 1346020, 1386320, 1493648, 1780888, 1867060, 2226110, 2692040, 2893943, 3561776, 3734120, 4452220, 5384080, 5787886, 7468240, 8904440, 11575772, 14469715, 17808880, 23151544, 28939430, 46303088, 57878860, 115757720, 231515440]

約数ペア:

[(1, 231515440), (2, 115757720), (4, 57878860), (5, 46303088), (8, 28939430), (10, 23151544), (13, 17808880), (16, 14469715), (20, 11575772), (26, 8904440), (31, 7468240), (40, 5787886), (43, 5384080), (52, 4452220), (62, 3734120), (65, 3561776), (80, 2893943), (86, 2692040), (104, 2226110), (124, 1867060), (130, 1780888), (155, 1493648), (167, 1386320), (172, 1346020), (208, 1113055), (215, 1076816), (248, 933530), (260, 890444), (310, 746824), (334, 693160), (344, 673010), (403, 574480), (430, 538408), (496, 466765), (520, 445222), (559, 414160), (620, 373412), (668, 346580), (688, 336505), (806, 287240), (835, 277264), (860, 269204), (1040, 222611), (1118, 207080), (1240, 186706), (1333, 173680), (1336, 173290), (1612, 143620), (1670, 138632), (1720, 134602), (2015, 114896), (2171, 106640), (2236, 103540), (2480, 93353), (2666, 86840), (2672, 86645), (2795, 82832), (3224, 71810), (3340, 69316), (3440, 67301), (4030, 57448), (4342, 53320), (4472, 51770), (5177, 44720), (5332, 43420), (5590, 41416), (6448, 35905), (6665, 34736), (6680, 34658), (7181, 32240), (8060, 28724), (8684, 26660), (8944, 25885), (10354, 22360), (10664, 21710), (10855, 21328), (11180, 20708), (13330, 17368), (13360, 17329), (14362, 16120)]