838462720

素因数分解:

$2^8\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1979}}^1$

素因数の和:2331

約数の個数: 72

約数和(自身を含む): 2015465760

約数和(自身を除く): 1177003040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 331, 640, 662, 1280, 1324, 1655, 1979, 2648, 3310, 3958, 5296, 6620, 7916, 9895, 10592, 13240, 15832, 19790, 21184, 26480, 31664, 39580, 42368, 52960, 63328, 79160, 84736, 105920, 126656, 158320, 211840, 253312, 316640, 423680, 506624, 633280, 655049, 1266560, 1310098, 2533120, 2620196, 3275245, 5240392, 6550490, 10480784, 13100980, 20961568, 26201960, 41923136, 52403920, 83846272, 104807840, 167692544, 209615680, 419231360, 838462720]

約数ペア:

[(1, 838462720), (2, 419231360), (4, 209615680), (5, 167692544), (8, 104807840), (10, 83846272), (16, 52403920), (20, 41923136), (32, 26201960), (40, 20961568), (64, 13100980), (80, 10480784), (128, 6550490), (160, 5240392), (256, 3275245), (320, 2620196), (331, 2533120), (640, 1310098), (662, 1266560), (1280, 655049), (1324, 633280), (1655, 506624), (1979, 423680), (2648, 316640), (3310, 253312), (3958, 211840), (5296, 158320), (6620, 126656), (7916, 105920), (9895, 84736), (10592, 79160), (13240, 63328), (15832, 52960), (19790, 42368), (21184, 39580), (26480, 31664)]