28143180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 99724800

約数和(自身を除く): 71581620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 90, 95, 108, 114, 117, 130, 135, 156, 171, 180, 190, 195, 211, 228, 234, 247, 260, 270, 285, 342, 351, 380, 390, 422, 468, 494, 513, 540, 570, 585, 633, 684, 702, 741, 780, 844, 855, 988, 1026, 1055, 1140, 1170, 1235, 1266, 1404, 1482, 1710, 1755, 1899, 2052, 2110, 2223, 2340, 2470, 2532, 2565, 2743, 2964, 3165, 3420, 3510, 3705, 3798, 4009, 4220, 4446, 4940, 5130, 5486, 5697, 6330, 6669, 7020, 7410, 7596, 8018, 8229, 8892, 9495, 10260, 10972, 11115, 11394, 12027, 12660, 13338, 13715, 14820, 16036, 16458, 18990, 20045, 22230, 22788, 24054, 24687, 26676, 27430, 28485, 32916, 33345, 36081, 37980, 40090, 41145, 44460, 48108, 49374, 52117, 54860, 56970, 60135, 66690, 72162, 74061, 80180, 82290, 98748, 104234, 108243, 113940, 120270, 123435, 133380, 144324, 148122, 156351, 164580, 180405, 208468, 216486, 240540, 246870, 260585, 296244, 312702, 360810, 370305, 432972, 469053, 493740, 521170, 541215, 625404, 721620, 740610, 781755, 938106, 1042340, 1082430, 1407159, 1481220, 1563510, 1876212, 2164860, 2345265, 2814318, 3127020, 4690530, 5628636, 7035795, 9381060, 14071590, 28143180]

約数ペア:

[(1, 28143180), (2, 14071590), (3, 9381060), (4, 7035795), (5, 5628636), (6, 4690530), (9, 3127020), (10, 2814318), (12, 2345265), (13, 2164860), (15, 1876212), (18, 1563510), (19, 1481220), (20, 1407159), (26, 1082430), (27, 1042340), (30, 938106), (36, 781755), (38, 740610), (39, 721620), (45, 625404), (52, 541215), (54, 521170), (57, 493740), (60, 469053), (65, 432972), (76, 370305), (78, 360810), (90, 312702), (95, 296244), (108, 260585), (114, 246870), (117, 240540), (130, 216486), (135, 208468), (156, 180405), (171, 164580), (180, 156351), (190, 148122), (195, 144324), (211, 133380), (228, 123435), (234, 120270), (247, 113940), (260, 108243), (270, 104234), (285, 98748), (342, 82290), (351, 80180), (380, 74061), (390, 72162), (422, 66690), (468, 60135), (494, 56970), (513, 54860), (540, 52117), (570, 49374), (585, 48108), (633, 44460), (684, 41145), (702, 40090), (741, 37980), (780, 36081), (844, 33345), (855, 32916), (988, 28485), (1026, 27430), (1055, 26676), (1140, 24687), (1170, 24054), (1235, 22788), (1266, 22230), (1404, 20045), (1482, 18990), (1710, 16458), (1755, 16036), (1899, 14820), (2052, 13715), (2110, 13338), (2223, 12660), (2340, 12027), (2470, 11394), (2532, 11115), (2565, 10972), (2743, 10260), (2964, 9495), (3165, 8892), (3420, 8229), (3510, 8018), (3705, 7596), (3798, 7410), (4009, 7020), (4220, 6669), (4446, 6330), (4940, 5697), (5130, 5486)]