645947280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81559}}^1$

素因数の和:81589

約数の個数: 120

約数和(自身を含む): 2366544960

約数和(自身を除く): 1720597680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 81559, 163118, 244677, 326236, 407795, 489354, 652472, 734031, 815590, 897149, 978708, 1223385, 1304944, 1468062, 1631180, 1794298, 1957416, 2446770, 2691447, 2936124, 3262360, 3588596, 3670155, 3914832, 4485745, 4893540, 5382894, 5872248, 6524720, 7177192, 7340310, 8074341, 8971490, 9787080, 10765788, 11744496, 13457235, 14354384, 14680620, 16148682, 17942980, 19574160, 21531576, 26914470, 29361240, 32297364, 35885960, 40371705, 43063152, 53828940, 58722480, 64594728, 71771920, 80743410, 107657880, 129189456, 161486820, 215315760, 322973640, 645947280]

約数ペア:

[(1, 645947280), (2, 322973640), (3, 215315760), (4, 161486820), (5, 129189456), (6, 107657880), (8, 80743410), (9, 71771920), (10, 64594728), (11, 58722480), (12, 53828940), (15, 43063152), (16, 40371705), (18, 35885960), (20, 32297364), (22, 29361240), (24, 26914470), (30, 21531576), (33, 19574160), (36, 17942980), (40, 16148682), (44, 14680620), (45, 14354384), (48, 13457235), (55, 11744496), (60, 10765788), (66, 9787080), (72, 8971490), (80, 8074341), (88, 7340310), (90, 7177192), (99, 6524720), (110, 5872248), (120, 5382894), (132, 4893540), (144, 4485745), (165, 3914832), (176, 3670155), (180, 3588596), (198, 3262360), (220, 2936124), (240, 2691447), (264, 2446770), (330, 1957416), (360, 1794298), (396, 1631180), (440, 1468062), (495, 1304944), (528, 1223385), (660, 978708), (720, 897149), (792, 815590), (880, 734031), (990, 652472), (1320, 489354), (1584, 407795), (1980, 326236), (2640, 244677), (3960, 163118), (7920, 81559)]