181921320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{10313}}^1$

素因数の和:10344

約数の個数: 144

約数和(自身を含む): 687840660

約数和(自身を除く): 505919340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 10313, 17640, 20626, 30939, 41252, 51565, 61878, 72191, 82504, 92817, 103130, 123756, 144382, 154695, 185634, 206260, 216573, 247512, 288764, 309390, 360955, 371268, 412520, 433146, 464085, 505337, 577528, 618780, 649719, 721910, 742536, 866292, 928170, 1010674, 1082865, 1237560, 1299438, 1443820, 1516011, 1732584, 1856340, 2021348, 2165730, 2526685, 2598876, 2887640, 3032022, 3248595, 3712680, 4042696, 4331460, 4548033, 5053370, 5197752, 6064044, 6497190, 7580055, 8662920, 9096066, 10106740, 12128088, 12994380, 15160110, 18192132, 20213480, 22740165, 25988760, 30320220, 36384264, 45480330, 60640440, 90960660, 181921320]

約数ペア:

[(1, 181921320), (2, 90960660), (3, 60640440), (4, 45480330), (5, 36384264), (6, 30320220), (7, 25988760), (8, 22740165), (9, 20213480), (10, 18192132), (12, 15160110), (14, 12994380), (15, 12128088), (18, 10106740), (20, 9096066), (21, 8662920), (24, 7580055), (28, 6497190), (30, 6064044), (35, 5197752), (36, 5053370), (40, 4548033), (42, 4331460), (45, 4042696), (49, 3712680), (56, 3248595), (60, 3032022), (63, 2887640), (70, 2598876), (72, 2526685), (84, 2165730), (90, 2021348), (98, 1856340), (105, 1732584), (120, 1516011), (126, 1443820), (140, 1299438), (147, 1237560), (168, 1082865), (180, 1010674), (196, 928170), (210, 866292), (245, 742536), (252, 721910), (280, 649719), (294, 618780), (315, 577528), (360, 505337), (392, 464085), (420, 433146), (441, 412520), (490, 371268), (504, 360955), (588, 309390), (630, 288764), (735, 247512), (840, 216573), (882, 206260), (980, 185634), (1176, 154695), (1260, 144382), (1470, 123756), (1764, 103130), (1960, 92817), (2205, 82504), (2520, 72191), (2940, 61878), (3528, 51565), (4410, 41252), (5880, 30939), (8820, 20626), (10313, 17640)]