161937720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:562

約数の個数: 192

約数和(自身を含む): 606528000

約数和(自身を除く): 444590280

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, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 179, 180, 210, 252, 280, 315, 358, 359, 360, 420, 504, 537, 630, 716, 718, 840, 895, 1074, 1077, 1253, 1260, 1432, 1436, 1611, 1790, 1795, 2148, 2154, 2506, 2513, 2520, 2685, 2872, 3222, 3231, 3580, 3590, 3759, 4296, 4308, 5012, 5026, 5370, 5385, 6265, 6444, 6462, 7160, 7180, 7518, 7539, 8055, 8616, 10024, 10052, 10740, 10770, 11277, 12530, 12565, 12888, 12924, 14360, 15036, 15078, 16110, 16155, 18795, 20104, 21480, 21540, 22554, 22617, 25060, 25130, 25848, 30072, 30156, 32220, 32310, 37590, 37695, 43080, 45108, 45234, 50120, 50260, 56385, 60312, 64261, 64440, 64620, 75180, 75390, 90216, 90468, 100520, 112770, 113085, 128522, 129240, 150360, 150780, 180936, 192783, 225540, 226170, 257044, 301560, 321305, 385566, 449827, 451080, 452340, 514088, 578349, 642610, 771132, 899654, 904680, 963915, 1156698, 1285220, 1349481, 1542264, 1799308, 1927830, 2249135, 2313396, 2570440, 2698962, 2891745, 3598616, 3855660, 4048443, 4498270, 4626792, 5397924, 5783490, 6747405, 7711320, 8096886, 8996540, 10795848, 11566980, 13494810, 16193772, 17993080, 20242215, 23133960, 26989620, 32387544, 40484430, 53979240, 80968860, 161937720]

約数ペア:

[(1, 161937720), (2, 80968860), (3, 53979240), (4, 40484430), (5, 32387544), (6, 26989620), (7, 23133960), (8, 20242215), (9, 17993080), (10, 16193772), (12, 13494810), (14, 11566980), (15, 10795848), (18, 8996540), (20, 8096886), (21, 7711320), (24, 6747405), (28, 5783490), (30, 5397924), (35, 4626792), (36, 4498270), (40, 4048443), (42, 3855660), (45, 3598616), (56, 2891745), (60, 2698962), (63, 2570440), (70, 2313396), (72, 2249135), (84, 1927830), (90, 1799308), (105, 1542264), (120, 1349481), (126, 1285220), (140, 1156698), (168, 963915), (179, 904680), (180, 899654), (210, 771132), (252, 642610), (280, 578349), (315, 514088), (358, 452340), (359, 451080), (360, 449827), (420, 385566), (504, 321305), (537, 301560), (630, 257044), (716, 226170), (718, 225540), (840, 192783), (895, 180936), (1074, 150780), (1077, 150360), (1253, 129240), (1260, 128522), (1432, 113085), (1436, 112770), (1611, 100520), (1790, 90468), (1795, 90216), (2148, 75390), (2154, 75180), (2506, 64620), (2513, 64440), (2520, 64261), (2685, 60312), (2872, 56385), (3222, 50260), (3231, 50120), (3580, 45234), (3590, 45108), (3759, 43080), (4296, 37695), (4308, 37590), (5012, 32310), (5026, 32220), (5370, 30156), (5385, 30072), (6265, 25848), (6444, 25130), (6462, 25060), (7160, 22617), (7180, 22554), (7518, 21540), (7539, 21480), (8055, 20104), (8616, 18795), (10024, 16155), (10052, 16110), (10740, 15078), (10770, 15036), (11277, 14360), (12530, 12924), (12565, 12888)]