821567220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1\times {\mathrm{1249}}^1$

素因数の和:1857

約数の個数: 96

約数和(自身を含む): 2427600000

約数和(自身を除く): 1606032780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 577, 1140, 1154, 1249, 1731, 2308, 2498, 2885, 3462, 3747, 4996, 5770, 6245, 6924, 7494, 8655, 10963, 11540, 12490, 14988, 17310, 18735, 21926, 23731, 24980, 32889, 34620, 37470, 43852, 47462, 54815, 65778, 71193, 74940, 94924, 109630, 118655, 131556, 142386, 164445, 219260, 237310, 284772, 328890, 355965, 474620, 657780, 711930, 720673, 1423860, 1441346, 2162019, 2882692, 3603365, 4324038, 7206730, 8648076, 10810095, 13692787, 14413460, 21620190, 27385574, 41078361, 43240380, 54771148, 68463935, 82156722, 136927870, 164313444, 205391805, 273855740, 410783610, 821567220]

約数ペア:

[(1, 821567220), (2, 410783610), (3, 273855740), (4, 205391805), (5, 164313444), (6, 136927870), (10, 82156722), (12, 68463935), (15, 54771148), (19, 43240380), (20, 41078361), (30, 27385574), (38, 21620190), (57, 14413460), (60, 13692787), (76, 10810095), (95, 8648076), (114, 7206730), (190, 4324038), (228, 3603365), (285, 2882692), (380, 2162019), (570, 1441346), (577, 1423860), (1140, 720673), (1154, 711930), (1249, 657780), (1731, 474620), (2308, 355965), (2498, 328890), (2885, 284772), (3462, 237310), (3747, 219260), (4996, 164445), (5770, 142386), (6245, 131556), (6924, 118655), (7494, 109630), (8655, 94924), (10963, 74940), (11540, 71193), (12490, 65778), (14988, 54815), (17310, 47462), (18735, 43852), (21926, 37470), (23731, 34620), (24980, 32889)]