281348760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30449}}^1$

素因数の和:30481

約数の個数: 128

約数和(自身を含む): 1052352000

約数和(自身を除く): 771003240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 30449, 60898, 91347, 121796, 152245, 182694, 213143, 243592, 304490, 334939, 365388, 426286, 456735, 608980, 639429, 669878, 730776, 852572, 913470, 1004817, 1065715, 1217960, 1278858, 1339756, 1674695, 1705144, 1826940, 2009634, 2131430, 2344573, 2557716, 2679512, 3197145, 3349390, 3653880, 4019268, 4262860, 4689146, 5024085, 5115432, 6394290, 6698780, 7033719, 8038536, 8525720, 9378292, 10048170, 11722865, 12788580, 13397560, 14067438, 18756584, 20096340, 23445730, 25577160, 28134876, 35168595, 40192680, 46891460, 56269752, 70337190, 93782920, 140674380, 281348760]

約数ペア:

[(1, 281348760), (2, 140674380), (3, 93782920), (4, 70337190), (5, 56269752), (6, 46891460), (7, 40192680), (8, 35168595), (10, 28134876), (11, 25577160), (12, 23445730), (14, 20096340), (15, 18756584), (20, 14067438), (21, 13397560), (22, 12788580), (24, 11722865), (28, 10048170), (30, 9378292), (33, 8525720), (35, 8038536), (40, 7033719), (42, 6698780), (44, 6394290), (55, 5115432), (56, 5024085), (60, 4689146), (66, 4262860), (70, 4019268), (77, 3653880), (84, 3349390), (88, 3197145), (105, 2679512), (110, 2557716), (120, 2344573), (132, 2131430), (140, 2009634), (154, 1826940), (165, 1705144), (168, 1674695), (210, 1339756), (220, 1278858), (231, 1217960), (264, 1065715), (280, 1004817), (308, 913470), (330, 852572), (385, 730776), (420, 669878), (440, 639429), (462, 608980), (616, 456735), (660, 426286), (770, 365388), (840, 334939), (924, 304490), (1155, 243592), (1320, 213143), (1540, 182694), (1848, 152245), (2310, 121796), (3080, 91347), (4620, 60898), (9240, 30449)]