256777020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:929

約数の個数: 192

約数和(自身を含む): 870912000

約数和(自身を除く): 614134980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 29, 30, 36, 38, 45, 54, 57, 58, 60, 76, 87, 90, 95, 108, 114, 116, 135, 145, 171, 174, 180, 190, 228, 261, 270, 285, 290, 342, 348, 380, 435, 513, 522, 540, 551, 570, 580, 684, 783, 855, 863, 870, 1026, 1044, 1102, 1140, 1305, 1566, 1653, 1710, 1726, 1740, 2052, 2204, 2565, 2589, 2610, 2755, 3132, 3306, 3420, 3452, 3915, 4315, 4959, 5130, 5178, 5220, 5510, 6612, 7767, 7830, 8265, 8630, 9918, 10260, 10356, 11020, 12945, 14877, 15534, 15660, 16397, 16530, 17260, 19836, 23301, 24795, 25027, 25890, 29754, 31068, 32794, 33060, 38835, 46602, 49191, 49590, 50054, 51780, 59508, 65588, 74385, 75081, 77670, 81985, 93204, 98382, 99180, 100108, 116505, 125135, 147573, 148770, 150162, 155340, 163970, 196764, 225243, 233010, 245955, 250270, 295146, 297540, 300324, 327940, 375405, 442719, 450486, 466020, 475513, 491910, 500540, 590292, 675729, 737865, 750810, 885438, 900972, 951026, 983820, 1126215, 1351458, 1426539, 1475730, 1501620, 1770876, 1902052, 2213595, 2252430, 2377565, 2702916, 2853078, 2951460, 3378645, 4279617, 4427190, 4504860, 4755130, 5706156, 6757290, 7132695, 8559234, 8854380, 9510260, 12838851, 13514580, 14265390, 17118468, 21398085, 25677702, 28530780, 42796170, 51355404, 64194255, 85592340, 128388510, 256777020]

約数ペア:

[(1, 256777020), (2, 128388510), (3, 85592340), (4, 64194255), (5, 51355404), (6, 42796170), (9, 28530780), (10, 25677702), (12, 21398085), (15, 17118468), (18, 14265390), (19, 13514580), (20, 12838851), (27, 9510260), (29, 8854380), (30, 8559234), (36, 7132695), (38, 6757290), (45, 5706156), (54, 4755130), (57, 4504860), (58, 4427190), (60, 4279617), (76, 3378645), (87, 2951460), (90, 2853078), (95, 2702916), (108, 2377565), (114, 2252430), (116, 2213595), (135, 1902052), (145, 1770876), (171, 1501620), (174, 1475730), (180, 1426539), (190, 1351458), (228, 1126215), (261, 983820), (270, 951026), (285, 900972), (290, 885438), (342, 750810), (348, 737865), (380, 675729), (435, 590292), (513, 500540), (522, 491910), (540, 475513), (551, 466020), (570, 450486), (580, 442719), (684, 375405), (783, 327940), (855, 300324), (863, 297540), (870, 295146), (1026, 250270), (1044, 245955), (1102, 233010), (1140, 225243), (1305, 196764), (1566, 163970), (1653, 155340), (1710, 150162), (1726, 148770), (1740, 147573), (2052, 125135), (2204, 116505), (2565, 100108), (2589, 99180), (2610, 98382), (2755, 93204), (3132, 81985), (3306, 77670), (3420, 75081), (3452, 74385), (3915, 65588), (4315, 59508), (4959, 51780), (5130, 50054), (5178, 49590), (5220, 49191), (5510, 46602), (6612, 38835), (7767, 33060), (7830, 32794), (8265, 31068), (8630, 29754), (9918, 25890), (10260, 25027), (10356, 24795), (11020, 23301), (12945, 19836), (14877, 17260), (15534, 16530), (15660, 16397)]