71223480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 239199480

約数和(自身を除く): 167976000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 107, 120, 129, 172, 180, 214, 215, 258, 321, 344, 360, 387, 428, 430, 516, 535, 642, 645, 774, 856, 860, 963, 1032, 1070, 1284, 1290, 1548, 1605, 1720, 1849, 1926, 1935, 2140, 2568, 2580, 3096, 3210, 3698, 3852, 3870, 4280, 4601, 4815, 5160, 5547, 6420, 7396, 7704, 7740, 9202, 9245, 9630, 11094, 12840, 13803, 14792, 15480, 16641, 18404, 18490, 19260, 22188, 23005, 27606, 27735, 33282, 36808, 36980, 38520, 41409, 44376, 46010, 55212, 55470, 66564, 69015, 73960, 82818, 83205, 92020, 110424, 110940, 133128, 138030, 165636, 166410, 184040, 197843, 207045, 221880, 276060, 331272, 332820, 395686, 414090, 552120, 593529, 665640, 791372, 828180, 989215, 1187058, 1582744, 1656360, 1780587, 1978430, 2374116, 2967645, 3561174, 3956860, 4748232, 5935290, 7122348, 7913720, 8902935, 11870580, 14244696, 17805870, 23741160, 35611740, 71223480]

約数ペア:

[(1, 71223480), (2, 35611740), (3, 23741160), (4, 17805870), (5, 14244696), (6, 11870580), (8, 8902935), (9, 7913720), (10, 7122348), (12, 5935290), (15, 4748232), (18, 3956860), (20, 3561174), (24, 2967645), (30, 2374116), (36, 1978430), (40, 1780587), (43, 1656360), (45, 1582744), (60, 1187058), (72, 989215), (86, 828180), (90, 791372), (107, 665640), (120, 593529), (129, 552120), (172, 414090), (180, 395686), (214, 332820), (215, 331272), (258, 276060), (321, 221880), (344, 207045), (360, 197843), (387, 184040), (428, 166410), (430, 165636), (516, 138030), (535, 133128), (642, 110940), (645, 110424), (774, 92020), (856, 83205), (860, 82818), (963, 73960), (1032, 69015), (1070, 66564), (1284, 55470), (1290, 55212), (1548, 46010), (1605, 44376), (1720, 41409), (1849, 38520), (1926, 36980), (1935, 36808), (2140, 33282), (2568, 27735), (2580, 27606), (3096, 23005), (3210, 22188), (3698, 19260), (3852, 18490), (3870, 18404), (4280, 16641), (4601, 15480), (4815, 14792), (5160, 13803), (5547, 12840), (6420, 11094), (7396, 9630), (7704, 9245), (7740, 9202)]