72520920

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{829}}^1$

素因数の和:861

約数の個数: 128

約数和(自身を含む): 245016000

約数和(自身を除く): 172495080

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, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 829, 972, 1080, 1215, 1458, 1620, 1658, 1944, 2187, 2430, 2487, 2916, 3240, 3316, 3645, 4145, 4374, 4860, 4974, 5832, 6632, 7290, 7461, 8290, 8748, 9720, 9948, 10935, 12435, 14580, 14922, 16580, 17496, 19896, 21870, 22383, 24870, 29160, 29844, 33160, 37305, 43740, 44766, 49740, 59688, 67149, 74610, 87480, 89532, 99480, 111915, 134298, 149220, 179064, 201447, 223830, 268596, 298440, 335745, 402894, 447660, 537192, 604341, 671490, 805788, 895320, 1007235, 1208682, 1342980, 1611576, 1813023, 2014470, 2417364, 2685960, 3021705, 3626046, 4028940, 4834728, 6043410, 7252092, 8057880, 9065115, 12086820, 14504184, 18130230, 24173640, 36260460, 72520920]

約数ペア:

[(1, 72520920), (2, 36260460), (3, 24173640), (4, 18130230), (5, 14504184), (6, 12086820), (8, 9065115), (9, 8057880), (10, 7252092), (12, 6043410), (15, 4834728), (18, 4028940), (20, 3626046), (24, 3021705), (27, 2685960), (30, 2417364), (36, 2014470), (40, 1813023), (45, 1611576), (54, 1342980), (60, 1208682), (72, 1007235), (81, 895320), (90, 805788), (108, 671490), (120, 604341), (135, 537192), (162, 447660), (180, 402894), (216, 335745), (243, 298440), (270, 268596), (324, 223830), (360, 201447), (405, 179064), (486, 149220), (540, 134298), (648, 111915), (729, 99480), (810, 89532), (829, 87480), (972, 74610), (1080, 67149), (1215, 59688), (1458, 49740), (1620, 44766), (1658, 43740), (1944, 37305), (2187, 33160), (2430, 29844), (2487, 29160), (2916, 24870), (3240, 22383), (3316, 21870), (3645, 19896), (4145, 17496), (4374, 16580), (4860, 14922), (4974, 14580), (5832, 12435), (6632, 10935), (7290, 9948), (7461, 9720), (8290, 8748)]