72907920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{929}}^1$

素因数の和:1057

約数の個数: 120

約数和(自身を含む): 247361400

約数和(自身を除く): 174453480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 720, 872, 929, 981, 1090, 1308, 1635, 1744, 1858, 1962, 2180, 2616, 2787, 3270, 3716, 3924, 4360, 4645, 4905, 5232, 5574, 6540, 7432, 7848, 8361, 8720, 9290, 9810, 11148, 13080, 13935, 14864, 15696, 16722, 18580, 19620, 22296, 26160, 27870, 33444, 37160, 39240, 41805, 44592, 55740, 66888, 74320, 78480, 83610, 101261, 111480, 133776, 167220, 202522, 222960, 303783, 334440, 405044, 506305, 607566, 668880, 810088, 911349, 1012610, 1215132, 1518915, 1620176, 1822698, 2025220, 2430264, 3037830, 3645396, 4050440, 4556745, 4860528, 6075660, 7290792, 8100880, 9113490, 12151320, 14581584, 18226980, 24302640, 36453960, 72907920]

約数ペア:

[(1, 72907920), (2, 36453960), (3, 24302640), (4, 18226980), (5, 14581584), (6, 12151320), (8, 9113490), (9, 8100880), (10, 7290792), (12, 6075660), (15, 4860528), (16, 4556745), (18, 4050440), (20, 3645396), (24, 3037830), (30, 2430264), (36, 2025220), (40, 1822698), (45, 1620176), (48, 1518915), (60, 1215132), (72, 1012610), (80, 911349), (90, 810088), (109, 668880), (120, 607566), (144, 506305), (180, 405044), (218, 334440), (240, 303783), (327, 222960), (360, 202522), (436, 167220), (545, 133776), (654, 111480), (720, 101261), (872, 83610), (929, 78480), (981, 74320), (1090, 66888), (1308, 55740), (1635, 44592), (1744, 41805), (1858, 39240), (1962, 37160), (2180, 33444), (2616, 27870), (2787, 26160), (3270, 22296), (3716, 19620), (3924, 18580), (4360, 16722), (4645, 15696), (4905, 14864), (5232, 13935), (5574, 13080), (6540, 11148), (7432, 9810), (7848, 9290), (8361, 8720)]