217499640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{22943}}^1$

素因数の和:23036

約数の個数: 64

約数和(自身を含む): 660787200

約数和(自身を除く): 443287560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 22943, 45886, 68829, 91772, 114715, 137658, 183544, 229430, 275316, 344145, 458860, 550632, 688290, 917720, 1376580, 1812497, 2753160, 3624994, 5437491, 7249988, 9062485, 10874982, 14499976, 18124970, 21749964, 27187455, 36249940, 43499928, 54374910, 72499880, 108749820, 217499640]

約数ペア:

[(1, 217499640), (2, 108749820), (3, 72499880), (4, 54374910), (5, 43499928), (6, 36249940), (8, 27187455), (10, 21749964), (12, 18124970), (15, 14499976), (20, 10874982), (24, 9062485), (30, 7249988), (40, 5437491), (60, 3624994), (79, 2753160), (120, 1812497), (158, 1376580), (237, 917720), (316, 688290), (395, 550632), (474, 458860), (632, 344145), (790, 275316), (948, 229430), (1185, 183544), (1580, 137658), (1896, 114715), (2370, 91772), (3160, 68829), (4740, 45886), (9480, 22943)]