171201780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:590

約数の個数: 144

約数和(自身を含む): 552726720

約数和(自身を除く): 381524940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 113, 114, 171, 180, 190, 226, 228, 285, 339, 342, 380, 443, 452, 565, 570, 678, 684, 855, 886, 1017, 1130, 1140, 1329, 1356, 1695, 1710, 1772, 2034, 2147, 2215, 2260, 2658, 3390, 3420, 3987, 4068, 4294, 4430, 5085, 5316, 6441, 6645, 6780, 7974, 8417, 8588, 8860, 10170, 10735, 12882, 13290, 15948, 16834, 19323, 19935, 20340, 21470, 25251, 25764, 26580, 32205, 33668, 38646, 39870, 42085, 42940, 50059, 50502, 64410, 75753, 77292, 79740, 84170, 96615, 100118, 101004, 126255, 128820, 150177, 151506, 168340, 193230, 200236, 250295, 252510, 300354, 303012, 378765, 386460, 450531, 500590, 505020, 600708, 750885, 757530, 901062, 951121, 1001180, 1501770, 1515060, 1802124, 1902242, 2252655, 2853363, 3003540, 3804484, 4505310, 4755605, 5706726, 8560089, 9010620, 9511210, 11413452, 14266815, 17120178, 19022420, 28533630, 34240356, 42800445, 57067260, 85600890, 171201780]

約数ペア:

[(1, 171201780), (2, 85600890), (3, 57067260), (4, 42800445), (5, 34240356), (6, 28533630), (9, 19022420), (10, 17120178), (12, 14266815), (15, 11413452), (18, 9511210), (19, 9010620), (20, 8560089), (30, 5706726), (36, 4755605), (38, 4505310), (45, 3804484), (57, 3003540), (60, 2853363), (76, 2252655), (90, 1902242), (95, 1802124), (113, 1515060), (114, 1501770), (171, 1001180), (180, 951121), (190, 901062), (226, 757530), (228, 750885), (285, 600708), (339, 505020), (342, 500590), (380, 450531), (443, 386460), (452, 378765), (565, 303012), (570, 300354), (678, 252510), (684, 250295), (855, 200236), (886, 193230), (1017, 168340), (1130, 151506), (1140, 150177), (1329, 128820), (1356, 126255), (1695, 101004), (1710, 100118), (1772, 96615), (2034, 84170), (2147, 79740), (2215, 77292), (2260, 75753), (2658, 64410), (3390, 50502), (3420, 50059), (3987, 42940), (4068, 42085), (4294, 39870), (4430, 38646), (5085, 33668), (5316, 32205), (6441, 26580), (6645, 25764), (6780, 25251), (7974, 21470), (8417, 20340), (8588, 19935), (8860, 19323), (10170, 16834), (10735, 15948), (12882, 13290)]