217503720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{86311}}^1$

素因数の和:86335

約数の個数: 96

約数和(自身を含む): 807880320

約数和(自身を除く): 590376600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 86311, 172622, 258933, 345244, 431555, 517866, 604177, 690488, 776799, 863110, 1035732, 1208354, 1294665, 1553598, 1726220, 1812531, 2071464, 2416708, 2589330, 3020885, 3107196, 3452440, 3625062, 3883995, 4833416, 5178660, 5437593, 6041770, 6214392, 7250124, 7767990, 9062655, 10357320, 10875186, 12083540, 14500248, 15535980, 18125310, 21750372, 24167080, 27187965, 31071960, 36250620, 43500744, 54375930, 72501240, 108751860, 217503720]

約数ペア:

[(1, 217503720), (2, 108751860), (3, 72501240), (4, 54375930), (5, 43500744), (6, 36250620), (7, 31071960), (8, 27187965), (9, 24167080), (10, 21750372), (12, 18125310), (14, 15535980), (15, 14500248), (18, 12083540), (20, 10875186), (21, 10357320), (24, 9062655), (28, 7767990), (30, 7250124), (35, 6214392), (36, 6041770), (40, 5437593), (42, 5178660), (45, 4833416), (56, 3883995), (60, 3625062), (63, 3452440), (70, 3107196), (72, 3020885), (84, 2589330), (90, 2416708), (105, 2071464), (120, 1812531), (126, 1726220), (140, 1553598), (168, 1294665), (180, 1208354), (210, 1035732), (252, 863110), (280, 776799), (315, 690488), (360, 604177), (420, 517866), (504, 431555), (630, 345244), (840, 258933), (1260, 172622), (2520, 86311)]