72897680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 180048000

約数和(自身を除く): 107150320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 199, 241, 304, 380, 398, 482, 760, 796, 964, 995, 1205, 1520, 1592, 1928, 1990, 2410, 3184, 3781, 3856, 3980, 4579, 4820, 7562, 7960, 9158, 9640, 15124, 15920, 18316, 18905, 19280, 22895, 30248, 36632, 37810, 45790, 47959, 60496, 73264, 75620, 91580, 95918, 151240, 183160, 191836, 239795, 302480, 366320, 383672, 479590, 767344, 911221, 959180, 1822442, 1918360, 3644884, 3836720, 4556105, 7289768, 9112210, 14579536, 18224420, 36448840, 72897680]

約数ペア:

[(1, 72897680), (2, 36448840), (4, 18224420), (5, 14579536), (8, 9112210), (10, 7289768), (16, 4556105), (19, 3836720), (20, 3644884), (38, 1918360), (40, 1822442), (76, 959180), (80, 911221), (95, 767344), (152, 479590), (190, 383672), (199, 366320), (241, 302480), (304, 239795), (380, 191836), (398, 183160), (482, 151240), (760, 95918), (796, 91580), (964, 75620), (995, 73264), (1205, 60496), (1520, 47959), (1592, 45790), (1928, 37810), (1990, 36632), (2410, 30248), (3184, 22895), (3781, 19280), (3856, 18905), (3980, 18316), (4579, 15920), (4820, 15124), (7562, 9640), (7960, 9158)]