243390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:97

約数の個数: 64

約数和(自身を含む): 714240

約数和(自身を除く): 470850

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 61, 70, 95, 105, 114, 122, 133, 183, 190, 210, 266, 285, 305, 366, 399, 427, 570, 610, 665, 798, 854, 915, 1159, 1281, 1330, 1830, 1995, 2135, 2318, 2562, 3477, 3990, 4270, 5795, 6405, 6954, 8113, 11590, 12810, 16226, 17385, 24339, 34770, 40565, 48678, 81130, 121695, 243390]

約数ペア:

[(1, 243390), (2, 121695), (3, 81130), (5, 48678), (6, 40565), (7, 34770), (10, 24339), (14, 17385), (15, 16226), (19, 12810), (21, 11590), (30, 8113), (35, 6954), (38, 6405), (42, 5795), (57, 4270), (61, 3990), (70, 3477), (95, 2562), (105, 2318), (114, 2135), (122, 1995), (133, 1830), (183, 1330), (190, 1281), (210, 1159), (266, 915), (285, 854), (305, 798), (366, 665), (399, 610), (427, 570)]