31258440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:404

約数の個数: 128

約数和(自身を含む): 105580800

約数和(自身を除く): 74322360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 103, 108, 120, 135, 180, 206, 216, 270, 281, 309, 360, 412, 515, 540, 562, 618, 824, 843, 927, 1030, 1080, 1124, 1236, 1405, 1545, 1686, 1854, 2060, 2248, 2472, 2529, 2781, 2810, 3090, 3372, 3708, 4120, 4215, 4635, 5058, 5562, 5620, 6180, 6744, 7416, 7587, 8430, 9270, 10116, 11124, 11240, 12360, 12645, 13905, 15174, 16860, 18540, 20232, 22248, 25290, 27810, 28943, 30348, 33720, 37080, 37935, 50580, 55620, 57886, 60696, 75870, 86829, 101160, 111240, 115772, 144715, 151740, 173658, 231544, 260487, 289430, 303480, 347316, 434145, 520974, 578860, 694632, 781461, 868290, 1041948, 1157720, 1302435, 1562922, 1736580, 2083896, 2604870, 3125844, 3473160, 3907305, 5209740, 6251688, 7814610, 10419480, 15629220, 31258440]

約数ペア:

[(1, 31258440), (2, 15629220), (3, 10419480), (4, 7814610), (5, 6251688), (6, 5209740), (8, 3907305), (9, 3473160), (10, 3125844), (12, 2604870), (15, 2083896), (18, 1736580), (20, 1562922), (24, 1302435), (27, 1157720), (30, 1041948), (36, 868290), (40, 781461), (45, 694632), (54, 578860), (60, 520974), (72, 434145), (90, 347316), (103, 303480), (108, 289430), (120, 260487), (135, 231544), (180, 173658), (206, 151740), (216, 144715), (270, 115772), (281, 111240), (309, 101160), (360, 86829), (412, 75870), (515, 60696), (540, 57886), (562, 55620), (618, 50580), (824, 37935), (843, 37080), (927, 33720), (1030, 30348), (1080, 28943), (1124, 27810), (1236, 25290), (1405, 22248), (1545, 20232), (1686, 18540), (1854, 16860), (2060, 15174), (2248, 13905), (2472, 12645), (2529, 12360), (2781, 11240), (2810, 11124), (3090, 10116), (3372, 9270), (3708, 8430), (4120, 7587), (4215, 7416), (4635, 6744), (5058, 6180), (5562, 5620)]