780206720

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:506

約数の個数: 128

約数和(自身を含む): 1950566400

約数和(自身を除く): 1170359680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 127, 128, 145, 160, 232, 254, 290, 320, 331, 464, 508, 580, 635, 640, 662, 928, 1016, 1160, 1270, 1324, 1655, 1856, 2032, 2320, 2540, 2648, 3310, 3683, 3712, 4064, 4640, 5080, 5296, 6620, 7366, 8128, 9280, 9599, 10160, 10592, 13240, 14732, 16256, 18415, 18560, 19198, 20320, 21184, 26480, 29464, 36830, 38396, 40640, 42037, 42368, 47995, 52960, 58928, 73660, 76792, 81280, 84074, 95990, 105920, 117856, 147320, 153584, 168148, 191980, 210185, 211840, 235712, 294640, 307168, 336296, 383960, 420370, 471424, 589280, 614336, 672592, 767920, 840740, 1178560, 1219073, 1228672, 1345184, 1535840, 1681480, 2357120, 2438146, 2690368, 3071680, 3362960, 4876292, 5380736, 6095365, 6143360, 6725920, 9752584, 12190730, 13451840, 19505168, 24381460, 26903680, 39010336, 48762920, 78020672, 97525840, 156041344, 195051680, 390103360, 780206720]

約数ペア:

[(1, 780206720), (2, 390103360), (4, 195051680), (5, 156041344), (8, 97525840), (10, 78020672), (16, 48762920), (20, 39010336), (29, 26903680), (32, 24381460), (40, 19505168), (58, 13451840), (64, 12190730), (80, 9752584), (116, 6725920), (127, 6143360), (128, 6095365), (145, 5380736), (160, 4876292), (232, 3362960), (254, 3071680), (290, 2690368), (320, 2438146), (331, 2357120), (464, 1681480), (508, 1535840), (580, 1345184), (635, 1228672), (640, 1219073), (662, 1178560), (928, 840740), (1016, 767920), (1160, 672592), (1270, 614336), (1324, 589280), (1655, 471424), (1856, 420370), (2032, 383960), (2320, 336296), (2540, 307168), (2648, 294640), (3310, 235712), (3683, 211840), (3712, 210185), (4064, 191980), (4640, 168148), (5080, 153584), (5296, 147320), (6620, 117856), (7366, 105920), (8128, 95990), (9280, 84074), (9599, 81280), (10160, 76792), (10592, 73660), (13240, 58928), (14732, 52960), (16256, 47995), (18415, 42368), (18560, 42037), (19198, 40640), (20320, 38396), (21184, 36830), (26480, 29464)]