642966744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{72211}}^1$

素因数の和:72280

約数の個数: 64

約数和(自身を含む): 1871735040

約数和(自身を除く): 1228768296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 53, 56, 84, 106, 159, 168, 212, 318, 371, 424, 636, 742, 1113, 1272, 1484, 2226, 2968, 4452, 8904, 72211, 144422, 216633, 288844, 433266, 505477, 577688, 866532, 1010954, 1516431, 1733064, 2021908, 3032862, 3827183, 4043816, 6065724, 7654366, 11481549, 12131448, 15308732, 22963098, 26790281, 30617464, 45926196, 53580562, 80370843, 91852392, 107161124, 160741686, 214322248, 321483372, 642966744]

約数ペア:

[(1, 642966744), (2, 321483372), (3, 214322248), (4, 160741686), (6, 107161124), (7, 91852392), (8, 80370843), (12, 53580562), (14, 45926196), (21, 30617464), (24, 26790281), (28, 22963098), (42, 15308732), (53, 12131448), (56, 11481549), (84, 7654366), (106, 6065724), (159, 4043816), (168, 3827183), (212, 3032862), (318, 2021908), (371, 1733064), (424, 1516431), (636, 1010954), (742, 866532), (1113, 577688), (1272, 505477), (1484, 433266), (2226, 288844), (2968, 216633), (4452, 144422), (8904, 72211)]