80719740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1018

約数の個数: 144

約数和(自身を含む): 269129952

約数和(自身を除く): 188410212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 306, 324, 340, 405, 459, 486, 510, 540, 612, 765, 810, 918, 972, 977, 1020, 1215, 1377, 1530, 1620, 1836, 1954, 2295, 2430, 2754, 2931, 3060, 3908, 4131, 4590, 4860, 4885, 5508, 5862, 6885, 8262, 8793, 9180, 9770, 11724, 13770, 14655, 16524, 16609, 17586, 19540, 20655, 26379, 27540, 29310, 33218, 35172, 41310, 43965, 49827, 52758, 58620, 66436, 79137, 82620, 83045, 87930, 99654, 105516, 131895, 149481, 158274, 166090, 175860, 199308, 237411, 249135, 263790, 298962, 316548, 332180, 395685, 448443, 474822, 498270, 527580, 597924, 747405, 791370, 896886, 949644, 996540, 1187055, 1345329, 1494810, 1582740, 1793772, 2242215, 2374110, 2690658, 2989620, 4035987, 4484430, 4748220, 5381316, 6726645, 8071974, 8968860, 13453290, 16143948, 20179935, 26906580, 40359870, 80719740]

約数ペア:

[(1, 80719740), (2, 40359870), (3, 26906580), (4, 20179935), (5, 16143948), (6, 13453290), (9, 8968860), (10, 8071974), (12, 6726645), (15, 5381316), (17, 4748220), (18, 4484430), (20, 4035987), (27, 2989620), (30, 2690658), (34, 2374110), (36, 2242215), (45, 1793772), (51, 1582740), (54, 1494810), (60, 1345329), (68, 1187055), (81, 996540), (85, 949644), (90, 896886), (102, 791370), (108, 747405), (135, 597924), (153, 527580), (162, 498270), (170, 474822), (180, 448443), (204, 395685), (243, 332180), (255, 316548), (270, 298962), (306, 263790), (324, 249135), (340, 237411), (405, 199308), (459, 175860), (486, 166090), (510, 158274), (540, 149481), (612, 131895), (765, 105516), (810, 99654), (918, 87930), (972, 83045), (977, 82620), (1020, 79137), (1215, 66436), (1377, 58620), (1530, 52758), (1620, 49827), (1836, 43965), (1954, 41310), (2295, 35172), (2430, 33218), (2754, 29310), (2931, 27540), (3060, 26379), (3908, 20655), (4131, 19540), (4590, 17586), (4860, 16609), (4885, 16524), (5508, 14655), (5862, 13770), (6885, 11724), (8262, 9770), (8793, 9180)]