30871320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 100958400

約数和(自身を除く): 70087080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 37, 40, 51, 60, 68, 74, 85, 102, 111, 120, 136, 148, 170, 185, 204, 222, 255, 296, 340, 370, 408, 409, 444, 510, 555, 629, 680, 740, 818, 888, 1020, 1110, 1227, 1258, 1480, 1636, 1887, 2040, 2045, 2220, 2454, 2516, 3145, 3272, 3774, 4090, 4440, 4908, 5032, 6135, 6290, 6953, 7548, 8180, 9435, 9816, 12270, 12580, 13906, 15096, 15133, 16360, 18870, 20859, 24540, 25160, 27812, 30266, 34765, 37740, 41718, 45399, 49080, 55624, 60532, 69530, 75480, 75665, 83436, 90798, 104295, 121064, 139060, 151330, 166872, 181596, 208590, 226995, 257261, 278120, 302660, 363192, 417180, 453990, 514522, 605320, 771783, 834360, 907980, 1029044, 1286305, 1543566, 1815960, 2058088, 2572610, 3087132, 3858915, 5145220, 6174264, 7717830, 10290440, 15435660, 30871320]

約数ペア:

[(1, 30871320), (2, 15435660), (3, 10290440), (4, 7717830), (5, 6174264), (6, 5145220), (8, 3858915), (10, 3087132), (12, 2572610), (15, 2058088), (17, 1815960), (20, 1543566), (24, 1286305), (30, 1029044), (34, 907980), (37, 834360), (40, 771783), (51, 605320), (60, 514522), (68, 453990), (74, 417180), (85, 363192), (102, 302660), (111, 278120), (120, 257261), (136, 226995), (148, 208590), (170, 181596), (185, 166872), (204, 151330), (222, 139060), (255, 121064), (296, 104295), (340, 90798), (370, 83436), (408, 75665), (409, 75480), (444, 69530), (510, 60532), (555, 55624), (629, 49080), (680, 45399), (740, 41718), (818, 37740), (888, 34765), (1020, 30266), (1110, 27812), (1227, 25160), (1258, 24540), (1480, 20859), (1636, 18870), (1887, 16360), (2040, 15133), (2045, 15096), (2220, 13906), (2454, 12580), (2516, 12270), (3145, 9816), (3272, 9435), (3774, 8180), (4090, 7548), (4440, 6953), (4908, 6290), (5032, 6135)]