245775180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{83597}}^1$

素因数の和:83623

約数の個数: 72

約数和(自身を含む): 800534448

約数和(自身を除く): 554759268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 83597, 167194, 250791, 334388, 417985, 501582, 585179, 835970, 1003164, 1170358, 1253955, 1671940, 1755537, 2340716, 2507910, 2925895, 3511074, 4096253, 5015820, 5851790, 7022148, 8192506, 8777685, 11703580, 12288759, 16385012, 17555370, 20481265, 24577518, 35110740, 40962530, 49155036, 61443795, 81925060, 122887590, 245775180]

約数ペア:

[(1, 245775180), (2, 122887590), (3, 81925060), (4, 61443795), (5, 49155036), (6, 40962530), (7, 35110740), (10, 24577518), (12, 20481265), (14, 17555370), (15, 16385012), (20, 12288759), (21, 11703580), (28, 8777685), (30, 8192506), (35, 7022148), (42, 5851790), (49, 5015820), (60, 4096253), (70, 3511074), (84, 2925895), (98, 2507910), (105, 2340716), (140, 1755537), (147, 1671940), (196, 1253955), (210, 1170358), (245, 1003164), (294, 835970), (420, 585179), (490, 501582), (588, 417985), (735, 334388), (980, 250791), (1470, 167194), (2940, 83597)]