28172760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3049}}^1$

素因数の和:3081

約数の個数: 128

約数和(自身を含む): 105408000

約数和(自身を除く): 77235240

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, 3049, 3080, 4620, 6098, 9147, 9240, 12196, 15245, 18294, 21343, 24392, 30490, 33539, 36588, 42686, 45735, 60980, 64029, 67078, 73176, 85372, 91470, 100617, 106715, 121960, 128058, 134156, 167695, 170744, 182940, 201234, 213430, 234773, 256116, 268312, 320145, 335390, 365880, 402468, 426860, 469546, 503085, 512232, 640290, 670780, 704319, 804936, 853720, 939092, 1006170, 1173865, 1280580, 1341560, 1408638, 1878184, 2012340, 2347730, 2561160, 2817276, 3521595, 4024680, 4695460, 5634552, 7043190, 9390920, 14086380, 28172760]

約数ペア:

[(1, 28172760), (2, 14086380), (3, 9390920), (4, 7043190), (5, 5634552), (6, 4695460), (7, 4024680), (8, 3521595), (10, 2817276), (11, 2561160), (12, 2347730), (14, 2012340), (15, 1878184), (20, 1408638), (21, 1341560), (22, 1280580), (24, 1173865), (28, 1006170), (30, 939092), (33, 853720), (35, 804936), (40, 704319), (42, 670780), (44, 640290), (55, 512232), (56, 503085), (60, 469546), (66, 426860), (70, 402468), (77, 365880), (84, 335390), (88, 320145), (105, 268312), (110, 256116), (120, 234773), (132, 213430), (140, 201234), (154, 182940), (165, 170744), (168, 167695), (210, 134156), (220, 128058), (231, 121960), (264, 106715), (280, 100617), (308, 91470), (330, 85372), (385, 73176), (420, 67078), (440, 64029), (462, 60980), (616, 45735), (660, 42686), (770, 36588), (840, 33539), (924, 30490), (1155, 24392), (1320, 21343), (1540, 18294), (1848, 15245), (2310, 12196), (3049, 9240), (3080, 9147), (4620, 6098)]