138772620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{457}}^1$

素因数の和:720

約数の個数: 144

約数和(自身を含む): 484131648

約数和(自身を除く): 345359028

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 241, 252, 315, 420, 457, 482, 630, 723, 914, 964, 1205, 1260, 1371, 1446, 1687, 1828, 2169, 2285, 2410, 2742, 2892, 3199, 3374, 3615, 4113, 4338, 4570, 4820, 5061, 5484, 6398, 6748, 6855, 7230, 8226, 8435, 8676, 9140, 9597, 10122, 10845, 12796, 13710, 14460, 15183, 15995, 16452, 16870, 19194, 20244, 20565, 21690, 25305, 27420, 28791, 30366, 31990, 33740, 38388, 41130, 43380, 47985, 50610, 57582, 60732, 63980, 75915, 82260, 95970, 101220, 110137, 115164, 143955, 151830, 191940, 220274, 287910, 303660, 330411, 440548, 550685, 575820, 660822, 770959, 991233, 1101370, 1321644, 1541918, 1652055, 1982466, 2202740, 2312877, 3083836, 3304110, 3854795, 3964932, 4625754, 4956165, 6608220, 6938631, 7709590, 9251508, 9912330, 11564385, 13877262, 15419180, 19824660, 23128770, 27754524, 34693155, 46257540, 69386310, 138772620]

約数ペア:

[(1, 138772620), (2, 69386310), (3, 46257540), (4, 34693155), (5, 27754524), (6, 23128770), (7, 19824660), (9, 15419180), (10, 13877262), (12, 11564385), (14, 9912330), (15, 9251508), (18, 7709590), (20, 6938631), (21, 6608220), (28, 4956165), (30, 4625754), (35, 3964932), (36, 3854795), (42, 3304110), (45, 3083836), (60, 2312877), (63, 2202740), (70, 1982466), (84, 1652055), (90, 1541918), (105, 1321644), (126, 1101370), (140, 991233), (180, 770959), (210, 660822), (241, 575820), (252, 550685), (315, 440548), (420, 330411), (457, 303660), (482, 287910), (630, 220274), (723, 191940), (914, 151830), (964, 143955), (1205, 115164), (1260, 110137), (1371, 101220), (1446, 95970), (1687, 82260), (1828, 75915), (2169, 63980), (2285, 60732), (2410, 57582), (2742, 50610), (2892, 47985), (3199, 43380), (3374, 41130), (3615, 38388), (4113, 33740), (4338, 31990), (4570, 30366), (4820, 28791), (5061, 27420), (5484, 25305), (6398, 21690), (6748, 20565), (6855, 20244), (7230, 19194), (8226, 16870), (8435, 16452), (8676, 15995), (9140, 15183), (9597, 14460), (10122, 13710), (10845, 12796)]