20808931320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{111373}}^1$

素因数の和:111566

約数の個数: 128

約数和(自身を含む): 69764673600

約数和(自身を除く): 48955742280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 173, 180, 216, 270, 346, 360, 519, 540, 692, 865, 1038, 1080, 1384, 1557, 1730, 2076, 2595, 3114, 3460, 4152, 4671, 5190, 6228, 6920, 7785, 9342, 10380, 12456, 15570, 18684, 20760, 23355, 31140, 37368, 46710, 62280, 93420, 111373, 186840, 222746, 334119, 445492, 556865, 668238, 890984, 1002357, 1113730, 1336476, 1670595, 2004714, 2227460, 2672952, 3007071, 3341190, 4009428, 4454920, 5011785, 6014142, 6682380, 8018856, 10023570, 12028284, 13364760, 15035355, 19267529, 20047140, 24056568, 30070710, 38535058, 40094280, 57802587, 60141420, 77070116, 96337645, 115605174, 120282840, 154140232, 173407761, 192675290, 231210348, 289012935, 346815522, 385350580, 462420696, 520223283, 578025870, 693631044, 770701160, 867038805, 1040446566, 1156051740, 1387262088, 1734077610, 2080893132, 2312103480, 2601116415, 3468155220, 4161786264, 5202232830, 6936310440, 10404465660, 20808931320]

約数ペア:

[(1, 20808931320), (2, 10404465660), (3, 6936310440), (4, 5202232830), (5, 4161786264), (6, 3468155220), (8, 2601116415), (9, 2312103480), (10, 2080893132), (12, 1734077610), (15, 1387262088), (18, 1156051740), (20, 1040446566), (24, 867038805), (27, 770701160), (30, 693631044), (36, 578025870), (40, 520223283), (45, 462420696), (54, 385350580), (60, 346815522), (72, 289012935), (90, 231210348), (108, 192675290), (120, 173407761), (135, 154140232), (173, 120282840), (180, 115605174), (216, 96337645), (270, 77070116), (346, 60141420), (360, 57802587), (519, 40094280), (540, 38535058), (692, 30070710), (865, 24056568), (1038, 20047140), (1080, 19267529), (1384, 15035355), (1557, 13364760), (1730, 12028284), (2076, 10023570), (2595, 8018856), (3114, 6682380), (3460, 6014142), (4152, 5011785), (4671, 4454920), (5190, 4009428), (6228, 3341190), (6920, 3007071), (7785, 2672952), (9342, 2227460), (10380, 2004714), (12456, 1670595), (15570, 1336476), (18684, 1113730), (20760, 1002357), (23355, 890984), (31140, 668238), (37368, 556865), (46710, 445492), (62280, 334119), (93420, 222746), (111373, 186840)]