847604480

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:614

約数の個数: 144

約数和(自身を含む): 2151007488

約数和(自身を除く): 1303403008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 256, 310, 320, 328, 410, 496, 521, 620, 640, 656, 820, 992, 1042, 1240, 1271, 1280, 1312, 1640, 1984, 2084, 2480, 2542, 2605, 2624, 3280, 3968, 4168, 4960, 5084, 5210, 5248, 6355, 6560, 7936, 8336, 9920, 10168, 10420, 10496, 12710, 13120, 16151, 16672, 19840, 20336, 20840, 21361, 25420, 26240, 32302, 33344, 39680, 40672, 41680, 42722, 50840, 52480, 64604, 66688, 80755, 81344, 83360, 85444, 101680, 106805, 129208, 133376, 161510, 162688, 166720, 170888, 203360, 213610, 258416, 323020, 325376, 333440, 341776, 406720, 427220, 516832, 646040, 662191, 666880, 683552, 813440, 854440, 1033664, 1292080, 1324382, 1367104, 1626880, 1708880, 2067328, 2584160, 2648764, 2734208, 3310955, 3417760, 4134656, 5168320, 5297528, 5468416, 6621910, 6835520, 10336640, 10595056, 13243820, 13671040, 20673280, 21190112, 26487640, 27342080, 42380224, 52975280, 84760448, 105950560, 169520896, 211901120, 423802240, 847604480]

約数ペア:

[(1, 847604480), (2, 423802240), (4, 211901120), (5, 169520896), (8, 105950560), (10, 84760448), (16, 52975280), (20, 42380224), (31, 27342080), (32, 26487640), (40, 21190112), (41, 20673280), (62, 13671040), (64, 13243820), (80, 10595056), (82, 10336640), (124, 6835520), (128, 6621910), (155, 5468416), (160, 5297528), (164, 5168320), (205, 4134656), (248, 3417760), (256, 3310955), (310, 2734208), (320, 2648764), (328, 2584160), (410, 2067328), (496, 1708880), (521, 1626880), (620, 1367104), (640, 1324382), (656, 1292080), (820, 1033664), (992, 854440), (1042, 813440), (1240, 683552), (1271, 666880), (1280, 662191), (1312, 646040), (1640, 516832), (1984, 427220), (2084, 406720), (2480, 341776), (2542, 333440), (2605, 325376), (2624, 323020), (3280, 258416), (3968, 213610), (4168, 203360), (4960, 170888), (5084, 166720), (5210, 162688), (5248, 161510), (6355, 133376), (6560, 129208), (7936, 106805), (8336, 101680), (9920, 85444), (10168, 83360), (10420, 81344), (10496, 80755), (12710, 66688), (13120, 64604), (16151, 52480), (16672, 50840), (19840, 42722), (20336, 41680), (20840, 40672), (21361, 39680), (25420, 33344), (26240, 32302)]