80968860

素因数分解:

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

素因数の和:560

約数の個数: 144

約数和(自身を含む): 283046400

約数和(自身を除く): 202077540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 179, 180, 210, 252, 315, 358, 359, 420, 537, 630, 716, 718, 895, 1074, 1077, 1253, 1260, 1436, 1611, 1790, 1795, 2148, 2154, 2506, 2513, 2685, 3222, 3231, 3580, 3590, 3759, 4308, 5012, 5026, 5370, 5385, 6265, 6444, 6462, 7180, 7518, 7539, 8055, 10052, 10740, 10770, 11277, 12530, 12565, 12924, 15036, 15078, 16110, 16155, 18795, 21540, 22554, 22617, 25060, 25130, 30156, 32220, 32310, 37590, 37695, 45108, 45234, 50260, 56385, 64261, 64620, 75180, 75390, 90468, 112770, 113085, 128522, 150780, 192783, 225540, 226170, 257044, 321305, 385566, 449827, 452340, 578349, 642610, 771132, 899654, 963915, 1156698, 1285220, 1349481, 1799308, 1927830, 2249135, 2313396, 2698962, 2891745, 3855660, 4048443, 4498270, 5397924, 5783490, 6747405, 8096886, 8996540, 11566980, 13494810, 16193772, 20242215, 26989620, 40484430, 80968860]

約数ペア:

[(1, 80968860), (2, 40484430), (3, 26989620), (4, 20242215), (5, 16193772), (6, 13494810), (7, 11566980), (9, 8996540), (10, 8096886), (12, 6747405), (14, 5783490), (15, 5397924), (18, 4498270), (20, 4048443), (21, 3855660), (28, 2891745), (30, 2698962), (35, 2313396), (36, 2249135), (42, 1927830), (45, 1799308), (60, 1349481), (63, 1285220), (70, 1156698), (84, 963915), (90, 899654), (105, 771132), (126, 642610), (140, 578349), (179, 452340), (180, 449827), (210, 385566), (252, 321305), (315, 257044), (358, 226170), (359, 225540), (420, 192783), (537, 150780), (630, 128522), (716, 113085), (718, 112770), (895, 90468), (1074, 75390), (1077, 75180), (1253, 64620), (1260, 64261), (1436, 56385), (1611, 50260), (1790, 45234), (1795, 45108), (2148, 37695), (2154, 37590), (2506, 32310), (2513, 32220), (2685, 30156), (3222, 25130), (3231, 25060), (3580, 22617), (3590, 22554), (3759, 21540), (4308, 18795), (5012, 16155), (5026, 16110), (5370, 15078), (5385, 15036), (6265, 12924), (6444, 12565), (6462, 12530), (7180, 11277), (7518, 10770), (7539, 10740), (8055, 10052)]