64715691440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:859

約数の個数: 160

約数和(自身を含む): 155717033472

約数和(自身を除く): 91001342032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 241, 251, 311, 344, 430, 482, 502, 622, 688, 860, 964, 1004, 1205, 1244, 1255, 1555, 1720, 1928, 2008, 2410, 2488, 2510, 3110, 3440, 3856, 4016, 4820, 4976, 5020, 6220, 9640, 10040, 10363, 10793, 12440, 13373, 19280, 20080, 20726, 21586, 24880, 26746, 41452, 43172, 51815, 53492, 53965, 60491, 66865, 74951, 78061, 82904, 86344, 103630, 106984, 107930, 120982, 133730, 149902, 156122, 165808, 172688, 207260, 213968, 215860, 241964, 267460, 299804, 302455, 312244, 374755, 390305, 414520, 431720, 483928, 534920, 599608, 604910, 624488, 749510, 780610, 829040, 863440, 967856, 1069840, 1199216, 1209820, 1248976, 1499020, 1561220, 2419640, 2601113, 2998040, 3122440, 3222893, 3356623, 4839280, 5202226, 5996080, 6244880, 6445786, 6713246, 10404452, 12891572, 13005565, 13426492, 16114465, 16783115, 18812701, 20808904, 25783144, 26011130, 26852984, 32228930, 33566230, 37625402, 41617808, 51566288, 52022260, 53705968, 64457860, 67132460, 75250804, 94063505, 104044520, 128915720, 134264920, 150501608, 188127010, 208089040, 257831440, 268529840, 301003216, 376254020, 752508040, 808946143, 1505016080, 1617892286, 3235784572, 4044730715, 6471569144, 8089461430, 12943138288, 16178922860, 32357845720, 64715691440]

約数ペア:

[(1, 64715691440), (2, 32357845720), (4, 16178922860), (5, 12943138288), (8, 8089461430), (10, 6471569144), (16, 4044730715), (20, 3235784572), (40, 1617892286), (43, 1505016080), (80, 808946143), (86, 752508040), (172, 376254020), (215, 301003216), (241, 268529840), (251, 257831440), (311, 208089040), (344, 188127010), (430, 150501608), (482, 134264920), (502, 128915720), (622, 104044520), (688, 94063505), (860, 75250804), (964, 67132460), (1004, 64457860), (1205, 53705968), (1244, 52022260), (1255, 51566288), (1555, 41617808), (1720, 37625402), (1928, 33566230), (2008, 32228930), (2410, 26852984), (2488, 26011130), (2510, 25783144), (3110, 20808904), (3440, 18812701), (3856, 16783115), (4016, 16114465), (4820, 13426492), (4976, 13005565), (5020, 12891572), (6220, 10404452), (9640, 6713246), (10040, 6445786), (10363, 6244880), (10793, 5996080), (12440, 5202226), (13373, 4839280), (19280, 3356623), (20080, 3222893), (20726, 3122440), (21586, 2998040), (24880, 2601113), (26746, 2419640), (41452, 1561220), (43172, 1499020), (51815, 1248976), (53492, 1209820), (53965, 1199216), (60491, 1069840), (66865, 967856), (74951, 863440), (78061, 829040), (82904, 780610), (86344, 749510), (103630, 624488), (106984, 604910), (107930, 599608), (120982, 534920), (133730, 483928), (149902, 431720), (156122, 414520), (165808, 390305), (172688, 374755), (207260, 312244), (213968, 302455), (215860, 299804), (241964, 267460)]