648788140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1409}}^1$

素因数の和:1472

約数の個数: 192

約数和(自身を含む): 1910200320

約数和(自身を除く): 1261412180

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 23, 26, 28, 35, 44, 46, 52, 55, 65, 70, 77, 91, 92, 110, 115, 130, 140, 143, 154, 161, 182, 220, 230, 253, 260, 286, 299, 308, 322, 364, 385, 455, 460, 506, 572, 598, 644, 715, 770, 805, 910, 1001, 1012, 1196, 1265, 1409, 1430, 1495, 1540, 1610, 1771, 1820, 2002, 2093, 2530, 2818, 2860, 2990, 3220, 3289, 3542, 4004, 4186, 5005, 5060, 5636, 5980, 6578, 7045, 7084, 8372, 8855, 9863, 10010, 10465, 13156, 14090, 15499, 16445, 17710, 18317, 19726, 20020, 20930, 23023, 28180, 30998, 32407, 32890, 35420, 36634, 39452, 41860, 46046, 49315, 61996, 64814, 65780, 73268, 77495, 91585, 92092, 98630, 108493, 115115, 128219, 129628, 154990, 162035, 183170, 197260, 201487, 216986, 226849, 230230, 256438, 309980, 324070, 356477, 366340, 402974, 421291, 433972, 453698, 460460, 512876, 542465, 641095, 648140, 712954, 805948, 842582, 907396, 1007435, 1084930, 1134245, 1282190, 1410409, 1425908, 1685164, 1782385, 2014870, 2106455, 2169860, 2268490, 2495339, 2564380, 2820818, 2949037, 3564770, 4029740, 4212910, 4536980, 4634201, 4990678, 5641636, 5898074, 7052045, 7129540, 8425820, 9268402, 9981356, 11796148, 12476695, 14104090, 14745185, 18536804, 23171005, 24953390, 28208180, 29490370, 32439407, 46342010, 49906780, 58980740, 64878814, 92684020, 129757628, 162197035, 324394070, 648788140]

約数ペア:

[(1, 648788140), (2, 324394070), (4, 162197035), (5, 129757628), (7, 92684020), (10, 64878814), (11, 58980740), (13, 49906780), (14, 46342010), (20, 32439407), (22, 29490370), (23, 28208180), (26, 24953390), (28, 23171005), (35, 18536804), (44, 14745185), (46, 14104090), (52, 12476695), (55, 11796148), (65, 9981356), (70, 9268402), (77, 8425820), (91, 7129540), (92, 7052045), (110, 5898074), (115, 5641636), (130, 4990678), (140, 4634201), (143, 4536980), (154, 4212910), (161, 4029740), (182, 3564770), (220, 2949037), (230, 2820818), (253, 2564380), (260, 2495339), (286, 2268490), (299, 2169860), (308, 2106455), (322, 2014870), (364, 1782385), (385, 1685164), (455, 1425908), (460, 1410409), (506, 1282190), (572, 1134245), (598, 1084930), (644, 1007435), (715, 907396), (770, 842582), (805, 805948), (910, 712954), (1001, 648140), (1012, 641095), (1196, 542465), (1265, 512876), (1409, 460460), (1430, 453698), (1495, 433972), (1540, 421291), (1610, 402974), (1771, 366340), (1820, 356477), (2002, 324070), (2093, 309980), (2530, 256438), (2818, 230230), (2860, 226849), (2990, 216986), (3220, 201487), (3289, 197260), (3542, 183170), (4004, 162035), (4186, 154990), (5005, 129628), (5060, 128219), (5636, 115115), (5980, 108493), (6578, 98630), (7045, 92092), (7084, 91585), (8372, 77495), (8855, 73268), (9863, 65780), (10010, 64814), (10465, 61996), (13156, 49315), (14090, 46046), (15499, 41860), (16445, 39452), (17710, 36634), (18317, 35420), (19726, 32890), (20020, 32407), (20930, 30998), (23023, 28180)]