258125220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 816012288

約数和(自身を除く): 557887068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 167, 180, 186, 277, 279, 310, 334, 372, 465, 501, 554, 558, 620, 668, 831, 835, 930, 1002, 1108, 1116, 1385, 1395, 1503, 1662, 1670, 1860, 2004, 2493, 2505, 2770, 2790, 3006, 3324, 3340, 4155, 4986, 5010, 5177, 5540, 5580, 6012, 7515, 8310, 8587, 9972, 10020, 10354, 12465, 15030, 15531, 16620, 17174, 20708, 24930, 25761, 25885, 30060, 31062, 34348, 42935, 46259, 46593, 49860, 51522, 51770, 62124, 77283, 77655, 85870, 92518, 93186, 103044, 103540, 128805, 138777, 154566, 155310, 171740, 185036, 186372, 231295, 232965, 257610, 277554, 309132, 310620, 386415, 416331, 462590, 465930, 515220, 555108, 693885, 772830, 832662, 925180, 931860, 1387770, 1434029, 1545660, 1665324, 2081655, 2775540, 2868058, 4163310, 4302087, 5736116, 7170145, 8326620, 8604174, 12906261, 14340290, 17208348, 21510435, 25812522, 28680580, 43020870, 51625044, 64531305, 86041740, 129062610, 258125220]

約数ペア:

[(1, 258125220), (2, 129062610), (3, 86041740), (4, 64531305), (5, 51625044), (6, 43020870), (9, 28680580), (10, 25812522), (12, 21510435), (15, 17208348), (18, 14340290), (20, 12906261), (30, 8604174), (31, 8326620), (36, 7170145), (45, 5736116), (60, 4302087), (62, 4163310), (90, 2868058), (93, 2775540), (124, 2081655), (155, 1665324), (167, 1545660), (180, 1434029), (186, 1387770), (277, 931860), (279, 925180), (310, 832662), (334, 772830), (372, 693885), (465, 555108), (501, 515220), (554, 465930), (558, 462590), (620, 416331), (668, 386415), (831, 310620), (835, 309132), (930, 277554), (1002, 257610), (1108, 232965), (1116, 231295), (1385, 186372), (1395, 185036), (1503, 171740), (1662, 155310), (1670, 154566), (1860, 138777), (2004, 128805), (2493, 103540), (2505, 103044), (2770, 93186), (2790, 92518), (3006, 85870), (3324, 77655), (3340, 77283), (4155, 62124), (4986, 51770), (5010, 51522), (5177, 49860), (5540, 46593), (5580, 46259), (6012, 42935), (7515, 34348), (8310, 31062), (8587, 30060), (9972, 25885), (10020, 25761), (10354, 24930), (12465, 20708), (15030, 17174), (15531, 16620)]