247266720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{171713}}^1$

素因数の和:171734

約数の個数: 72

約数和(自身を含む): 843802596

約数和(自身を除く): 596535876

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 171713, 343426, 515139, 686852, 858565, 1030278, 1373704, 1545417, 1717130, 2060556, 2575695, 2747408, 3090834, 3434260, 4121112, 5151390, 5494816, 6181668, 6868520, 7727085, 8242224, 10302780, 12363336, 13737040, 15454170, 16484448, 20605560, 24726672, 27474080, 30908340, 41211120, 49453344, 61816680, 82422240, 123633360, 247266720]

約数ペア:

[(1, 247266720), (2, 123633360), (3, 82422240), (4, 61816680), (5, 49453344), (6, 41211120), (8, 30908340), (9, 27474080), (10, 24726672), (12, 20605560), (15, 16484448), (16, 15454170), (18, 13737040), (20, 12363336), (24, 10302780), (30, 8242224), (32, 7727085), (36, 6868520), (40, 6181668), (45, 5494816), (48, 5151390), (60, 4121112), (72, 3434260), (80, 3090834), (90, 2747408), (96, 2575695), (120, 2060556), (144, 1717130), (160, 1545417), (180, 1373704), (240, 1030278), (288, 858565), (360, 686852), (480, 515139), (720, 343426), (1440, 171713)]