28737720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 256

約数和(自身を含む): 108864000

約数和(自身を除く): 80126280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 41, 44, 45, 54, 55, 59, 60, 66, 72, 82, 88, 90, 99, 108, 110, 118, 120, 123, 132, 135, 164, 165, 177, 180, 198, 205, 216, 220, 236, 246, 264, 270, 295, 297, 328, 330, 354, 360, 369, 396, 410, 440, 451, 472, 492, 495, 531, 540, 590, 594, 615, 649, 660, 708, 738, 792, 820, 885, 902, 984, 990, 1062, 1080, 1107, 1180, 1188, 1230, 1298, 1320, 1353, 1416, 1476, 1485, 1593, 1640, 1770, 1804, 1845, 1947, 1980, 2124, 2214, 2255, 2360, 2376, 2419, 2460, 2596, 2655, 2706, 2952, 2970, 3186, 3245, 3540, 3608, 3690, 3894, 3960, 4059, 4248, 4428, 4510, 4838, 4920, 5192, 5310, 5412, 5535, 5841, 5940, 6372, 6490, 6765, 7080, 7257, 7380, 7788, 7965, 8118, 8856, 9020, 9676, 9735, 10620, 10824, 11070, 11682, 11880, 12095, 12177, 12744, 12980, 13530, 14514, 14760, 15576, 15930, 16236, 17523, 18040, 19352, 19470, 20295, 21240, 21771, 22140, 23364, 24190, 24354, 25960, 26609, 27060, 29028, 29205, 31860, 32472, 35046, 36285, 38940, 40590, 43542, 44280, 46728, 48380, 48708, 53218, 54120, 58056, 58410, 60885, 63720, 65313, 70092, 72570, 77880, 79827, 81180, 87084, 87615, 96760, 97416, 106436, 108855, 116820, 121770, 130626, 133045, 140184, 145140, 159654, 162360, 174168, 175230, 212872, 217710, 233640, 239481, 243540, 261252, 266090, 290280, 319308, 326565, 350460, 399135, 435420, 478962, 487080, 522504, 532180, 638616, 653130, 700920, 718443, 798270, 870840, 957924, 1064360, 1197405, 1306260, 1436886, 1596540, 1915848, 2394810, 2612520, 2873772, 3193080, 3592215, 4789620, 5747544, 7184430, 9579240, 14368860, 28737720]

約数ペア:

[(1, 28737720), (2, 14368860), (3, 9579240), (4, 7184430), (5, 5747544), (6, 4789620), (8, 3592215), (9, 3193080), (10, 2873772), (11, 2612520), (12, 2394810), (15, 1915848), (18, 1596540), (20, 1436886), (22, 1306260), (24, 1197405), (27, 1064360), (30, 957924), (33, 870840), (36, 798270), (40, 718443), (41, 700920), (44, 653130), (45, 638616), (54, 532180), (55, 522504), (59, 487080), (60, 478962), (66, 435420), (72, 399135), (82, 350460), (88, 326565), (90, 319308), (99, 290280), (108, 266090), (110, 261252), (118, 243540), (120, 239481), (123, 233640), (132, 217710), (135, 212872), (164, 175230), (165, 174168), (177, 162360), (180, 159654), (198, 145140), (205, 140184), (216, 133045), (220, 130626), (236, 121770), (246, 116820), (264, 108855), (270, 106436), (295, 97416), (297, 96760), (328, 87615), (330, 87084), (354, 81180), (360, 79827), (369, 77880), (396, 72570), (410, 70092), (440, 65313), (451, 63720), (472, 60885), (492, 58410), (495, 58056), (531, 54120), (540, 53218), (590, 48708), (594, 48380), (615, 46728), (649, 44280), (660, 43542), (708, 40590), (738, 38940), (792, 36285), (820, 35046), (885, 32472), (902, 31860), (984, 29205), (990, 29028), (1062, 27060), (1080, 26609), (1107, 25960), (1180, 24354), (1188, 24190), (1230, 23364), (1298, 22140), (1320, 21771), (1353, 21240), (1416, 20295), (1476, 19470), (1485, 19352), (1593, 18040), (1640, 17523), (1770, 16236), (1804, 15930), (1845, 15576), (1947, 14760), (1980, 14514), (2124, 13530), (2214, 12980), (2255, 12744), (2360, 12177), (2376, 12095), (2419, 11880), (2460, 11682), (2596, 11070), (2655, 10824), (2706, 10620), (2952, 9735), (2970, 9676), (3186, 9020), (3245, 8856), (3540, 8118), (3608, 7965), (3690, 7788), (3894, 7380), (3960, 7257), (4059, 7080), (4248, 6765), (4428, 6490), (4510, 6372), (4838, 5940), (4920, 5841), (5192, 5535), (5310, 5412)]