78521520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{607}}^1$

素因数の和:648

約数の個数: 240

約数和(自身を含む): 309408768

約数和(自身を除く): 230887248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 98, 105, 110, 112, 120, 132, 140, 147, 154, 165, 168, 176, 196, 210, 220, 231, 240, 245, 264, 280, 294, 308, 330, 336, 385, 392, 420, 440, 462, 490, 528, 539, 560, 588, 607, 616, 660, 735, 770, 784, 840, 880, 924, 980, 1078, 1155, 1176, 1214, 1232, 1320, 1470, 1540, 1617, 1680, 1821, 1848, 1960, 2156, 2310, 2352, 2428, 2640, 2695, 2940, 3035, 3080, 3234, 3642, 3696, 3920, 4249, 4312, 4620, 4856, 5390, 5880, 6070, 6160, 6468, 6677, 7284, 8085, 8498, 8624, 9105, 9240, 9712, 10780, 11760, 12140, 12747, 12936, 13354, 14568, 16170, 16996, 18210, 18480, 20031, 21245, 21560, 24280, 25494, 25872, 26708, 29136, 29743, 32340, 33385, 33992, 36420, 40062, 42490, 43120, 46739, 48560, 50988, 53416, 59486, 63735, 64680, 66770, 67984, 72840, 80124, 84980, 89229, 93478, 100155, 101976, 106832, 118972, 127470, 129360, 133540, 140217, 145680, 148715, 160248, 169960, 178458, 186956, 200310, 203952, 233695, 237944, 254940, 267080, 280434, 297430, 320496, 327173, 339920, 356916, 373912, 400620, 446145, 467390, 475888, 509880, 534160, 560868, 594860, 654346, 701085, 713832, 747824, 801240, 892290, 934780, 981519, 1019760, 1121736, 1189720, 1308692, 1402170, 1427664, 1602480, 1635865, 1784580, 1869560, 1963038, 2243472, 2379440, 2617384, 2804340, 3271730, 3569160, 3739120, 3926076, 4907595, 5234768, 5608680, 6543460, 7138320, 7852152, 9815190, 11217360, 13086920, 15704304, 19630380, 26173840, 39260760, 78521520]

約数ペア:

[(1, 78521520), (2, 39260760), (3, 26173840), (4, 19630380), (5, 15704304), (6, 13086920), (7, 11217360), (8, 9815190), (10, 7852152), (11, 7138320), (12, 6543460), (14, 5608680), (15, 5234768), (16, 4907595), (20, 3926076), (21, 3739120), (22, 3569160), (24, 3271730), (28, 2804340), (30, 2617384), (33, 2379440), (35, 2243472), (40, 1963038), (42, 1869560), (44, 1784580), (48, 1635865), (49, 1602480), (55, 1427664), (56, 1402170), (60, 1308692), (66, 1189720), (70, 1121736), (77, 1019760), (80, 981519), (84, 934780), (88, 892290), (98, 801240), (105, 747824), (110, 713832), (112, 701085), (120, 654346), (132, 594860), (140, 560868), (147, 534160), (154, 509880), (165, 475888), (168, 467390), (176, 446145), (196, 400620), (210, 373912), (220, 356916), (231, 339920), (240, 327173), (245, 320496), (264, 297430), (280, 280434), (294, 267080), (308, 254940), (330, 237944), (336, 233695), (385, 203952), (392, 200310), (420, 186956), (440, 178458), (462, 169960), (490, 160248), (528, 148715), (539, 145680), (560, 140217), (588, 133540), (607, 129360), (616, 127470), (660, 118972), (735, 106832), (770, 101976), (784, 100155), (840, 93478), (880, 89229), (924, 84980), (980, 80124), (1078, 72840), (1155, 67984), (1176, 66770), (1214, 64680), (1232, 63735), (1320, 59486), (1470, 53416), (1540, 50988), (1617, 48560), (1680, 46739), (1821, 43120), (1848, 42490), (1960, 40062), (2156, 36420), (2310, 33992), (2352, 33385), (2428, 32340), (2640, 29743), (2695, 29136), (2940, 26708), (3035, 25872), (3080, 25494), (3234, 24280), (3642, 21560), (3696, 21245), (3920, 20031), (4249, 18480), (4312, 18210), (4620, 16996), (4856, 16170), (5390, 14568), (5880, 13354), (6070, 12936), (6160, 12747), (6468, 12140), (6677, 11760), (7284, 10780), (8085, 9712), (8498, 9240), (8624, 9105)]