72176220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 235085760

約数和(自身を除く): 162909540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 103, 153, 170, 180, 204, 206, 229, 255, 306, 309, 340, 412, 458, 510, 515, 612, 618, 687, 765, 916, 927, 1020, 1030, 1145, 1236, 1374, 1530, 1545, 1751, 1854, 2060, 2061, 2290, 2748, 3060, 3090, 3435, 3502, 3708, 3893, 4122, 4580, 4635, 5253, 6180, 6870, 7004, 7786, 8244, 8755, 9270, 10305, 10506, 11679, 13740, 15572, 15759, 17510, 18540, 19465, 20610, 21012, 23358, 23587, 26265, 31518, 35020, 35037, 38930, 41220, 46716, 47174, 52530, 58395, 63036, 70074, 70761, 77860, 78795, 94348, 105060, 116790, 117935, 140148, 141522, 157590, 175185, 212283, 233580, 235870, 283044, 315180, 350370, 353805, 400979, 424566, 471740, 700740, 707610, 801958, 849132, 1061415, 1202937, 1415220, 1603916, 2004895, 2122830, 2405874, 3608811, 4009790, 4245660, 4811748, 6014685, 7217622, 8019580, 12029370, 14435244, 18044055, 24058740, 36088110, 72176220]

約数ペア:

[(1, 72176220), (2, 36088110), (3, 24058740), (4, 18044055), (5, 14435244), (6, 12029370), (9, 8019580), (10, 7217622), (12, 6014685), (15, 4811748), (17, 4245660), (18, 4009790), (20, 3608811), (30, 2405874), (34, 2122830), (36, 2004895), (45, 1603916), (51, 1415220), (60, 1202937), (68, 1061415), (85, 849132), (90, 801958), (102, 707610), (103, 700740), (153, 471740), (170, 424566), (180, 400979), (204, 353805), (206, 350370), (229, 315180), (255, 283044), (306, 235870), (309, 233580), (340, 212283), (412, 175185), (458, 157590), (510, 141522), (515, 140148), (612, 117935), (618, 116790), (687, 105060), (765, 94348), (916, 78795), (927, 77860), (1020, 70761), (1030, 70074), (1145, 63036), (1236, 58395), (1374, 52530), (1530, 47174), (1545, 46716), (1751, 41220), (1854, 38930), (2060, 35037), (2061, 35020), (2290, 31518), (2748, 26265), (3060, 23587), (3090, 23358), (3435, 21012), (3502, 20610), (3708, 19465), (3893, 18540), (4122, 17510), (4580, 15759), (4635, 15572), (5253, 13740), (6180, 11679), (6870, 10506), (7004, 10305), (7786, 9270), (8244, 8755)]