646109918640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28947577}}^1$

素因数の和:28947627

約数の個数: 120

約数和(自身を含む): 2239847795328

約数和(自身を除く): 1593737876688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 28947577, 57895154, 86842731, 115790308, 144737885, 173685462, 231580616, 260528193, 289475770, 347370924, 434213655, 463161232, 521056386, 578951540, 694741848, 868427310, 897374887, 1042112772, 1157903080, 1302640965, 1389483696, 1736854620, 1794749774, 2084225544, 2315806160, 2605281930, 2692124661, 3473709240, 3589499548, 4168451088, 4486874435, 5210563860, 5384249322, 6947418480, 7178999096, 8076373983, 8973748870, 10421127720, 10768498644, 13460623305, 14357998192, 16152747966, 17947497740, 20842255440, 21536997288, 26921246610, 32305495932, 35894995480, 40381869915, 43073994576, 53842493220, 64610991864, 71789990960, 80763739830, 107684986440, 129221983728, 161527479660, 215369972880, 323054959320, 646109918640]

約数ペア:

[(1, 646109918640), (2, 323054959320), (3, 215369972880), (4, 161527479660), (5, 129221983728), (6, 107684986440), (8, 80763739830), (9, 71789990960), (10, 64610991864), (12, 53842493220), (15, 43073994576), (16, 40381869915), (18, 35894995480), (20, 32305495932), (24, 26921246610), (30, 21536997288), (31, 20842255440), (36, 17947497740), (40, 16152747966), (45, 14357998192), (48, 13460623305), (60, 10768498644), (62, 10421127720), (72, 8973748870), (80, 8076373983), (90, 7178999096), (93, 6947418480), (120, 5384249322), (124, 5210563860), (144, 4486874435), (155, 4168451088), (180, 3589499548), (186, 3473709240), (240, 2692124661), (248, 2605281930), (279, 2315806160), (310, 2084225544), (360, 1794749774), (372, 1736854620), (465, 1389483696), (496, 1302640965), (558, 1157903080), (620, 1042112772), (720, 897374887), (744, 868427310), (930, 694741848), (1116, 578951540), (1240, 521056386), (1395, 463161232), (1488, 434213655), (1860, 347370924), (2232, 289475770), (2480, 260528193), (2790, 231580616), (3720, 173685462), (4464, 144737885), (5580, 115790308), (7440, 86842731), (11160, 57895154), (22320, 28947577)]