987668080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1107

約数の個数: 160

約数和(自身を含む): 2762144640

約数和(自身を除く): 1774476560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 61, 70, 80, 112, 116, 122, 140, 145, 203, 232, 244, 280, 290, 305, 406, 427, 464, 488, 560, 580, 610, 812, 854, 976, 997, 1015, 1160, 1220, 1624, 1708, 1769, 1994, 2030, 2135, 2320, 2440, 3248, 3416, 3538, 3988, 4060, 4270, 4880, 4985, 6832, 6979, 7076, 7976, 8120, 8540, 8845, 9970, 12383, 13958, 14152, 15952, 16240, 17080, 17690, 19940, 24766, 27916, 28304, 28913, 34160, 34895, 35380, 39880, 49532, 55832, 57826, 60817, 61915, 69790, 70760, 79760, 99064, 111664, 115652, 121634, 123830, 139580, 141520, 144565, 198128, 202391, 231304, 243268, 247660, 279160, 289130, 304085, 404782, 425719, 462608, 486536, 495320, 558320, 578260, 608170, 809564, 851438, 973072, 990640, 1011955, 1156520, 1216340, 1619128, 1702876, 1763693, 2023910, 2128595, 2313040, 2432680, 3238256, 3405752, 3527386, 4047820, 4257190, 4865360, 6811504, 7054772, 8095640, 8514380, 8818465, 12345851, 14109544, 16191280, 17028760, 17636930, 24691702, 28219088, 34057520, 35273860, 49383404, 61729255, 70547720, 98766808, 123458510, 141095440, 197533616, 246917020, 493834040, 987668080]

約数ペア:

[(1, 987668080), (2, 493834040), (4, 246917020), (5, 197533616), (7, 141095440), (8, 123458510), (10, 98766808), (14, 70547720), (16, 61729255), (20, 49383404), (28, 35273860), (29, 34057520), (35, 28219088), (40, 24691702), (56, 17636930), (58, 17028760), (61, 16191280), (70, 14109544), (80, 12345851), (112, 8818465), (116, 8514380), (122, 8095640), (140, 7054772), (145, 6811504), (203, 4865360), (232, 4257190), (244, 4047820), (280, 3527386), (290, 3405752), (305, 3238256), (406, 2432680), (427, 2313040), (464, 2128595), (488, 2023910), (560, 1763693), (580, 1702876), (610, 1619128), (812, 1216340), (854, 1156520), (976, 1011955), (997, 990640), (1015, 973072), (1160, 851438), (1220, 809564), (1624, 608170), (1708, 578260), (1769, 558320), (1994, 495320), (2030, 486536), (2135, 462608), (2320, 425719), (2440, 404782), (3248, 304085), (3416, 289130), (3538, 279160), (3988, 247660), (4060, 243268), (4270, 231304), (4880, 202391), (4985, 198128), (6832, 144565), (6979, 141520), (7076, 139580), (7976, 123830), (8120, 121634), (8540, 115652), (8845, 111664), (9970, 99064), (12383, 79760), (13958, 70760), (14152, 69790), (15952, 61915), (16240, 60817), (17080, 57826), (17690, 55832), (19940, 49532), (24766, 39880), (27916, 35380), (28304, 34895), (28913, 34160)]