18900657720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2500087}}^1$

素因数の和:2500114

約数の個数: 128

約数和(自身を含む): 72002534400

約数和(自身を除く): 53101876680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 2500087, 5000174, 7500261, 10000348, 12500435, 15000522, 17500609, 20000696, 22500783, 25000870, 30001044, 35001218, 37501305, 45001566, 50001740, 52501827, 60002088, 67502349, 70002436, 75002610, 87503045, 90003132, 100003480, 105003654, 112503915, 135004698, 140004872, 150005220, 157505481, 175006090, 180006264, 210007308, 225007830, 262509135, 270009396, 300010440, 315010962, 337511745, 350012180, 420014616, 450015660, 472516443, 525018270, 540018792, 630021924, 675023490, 700024360, 787527405, 900031320, 945032886, 1050036540, 1260043848, 1350046980, 1575054810, 1890065772, 2100073080, 2362582215, 2700093960, 3150109620, 3780131544, 4725164430, 6300219240, 9450328860, 18900657720]

約数ペア:

[(1, 18900657720), (2, 9450328860), (3, 6300219240), (4, 4725164430), (5, 3780131544), (6, 3150109620), (7, 2700093960), (8, 2362582215), (9, 2100073080), (10, 1890065772), (12, 1575054810), (14, 1350046980), (15, 1260043848), (18, 1050036540), (20, 945032886), (21, 900031320), (24, 787527405), (27, 700024360), (28, 675023490), (30, 630021924), (35, 540018792), (36, 525018270), (40, 472516443), (42, 450015660), (45, 420014616), (54, 350012180), (56, 337511745), (60, 315010962), (63, 300010440), (70, 270009396), (72, 262509135), (84, 225007830), (90, 210007308), (105, 180006264), (108, 175006090), (120, 157505481), (126, 150005220), (135, 140004872), (140, 135004698), (168, 112503915), (180, 105003654), (189, 100003480), (210, 90003132), (216, 87503045), (252, 75002610), (270, 70002436), (280, 67502349), (315, 60002088), (360, 52501827), (378, 50001740), (420, 45001566), (504, 37501305), (540, 35001218), (630, 30001044), (756, 25000870), (840, 22500783), (945, 20000696), (1080, 17500609), (1260, 15000522), (1512, 12500435), (1890, 10000348), (2520, 7500261), (3780, 5000174), (7560, 2500087)]