128472680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 368686080

約数和(自身を除く): 240213400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 41, 56, 62, 70, 76, 82, 95, 124, 133, 140, 152, 155, 164, 190, 205, 217, 248, 266, 280, 287, 310, 328, 361, 380, 410, 434, 532, 574, 589, 620, 665, 722, 760, 779, 820, 868, 1064, 1085, 1148, 1178, 1240, 1271, 1330, 1435, 1444, 1558, 1640, 1736, 1805, 2170, 2296, 2356, 2527, 2542, 2660, 2870, 2888, 2945, 3116, 3610, 3895, 4123, 4340, 4712, 5054, 5084, 5320, 5453, 5740, 5890, 6232, 6355, 7220, 7790, 8246, 8680, 8897, 10108, 10168, 10906, 11191, 11480, 11780, 12635, 12710, 14440, 14801, 15580, 16492, 17794, 20216, 20615, 21812, 22382, 23560, 24149, 25270, 25420, 27265, 29602, 31160, 32984, 35588, 41230, 43624, 44485, 44764, 48298, 50540, 50840, 54530, 55955, 59204, 71176, 74005, 78337, 82460, 88970, 89528, 96596, 101080, 103607, 109060, 111910, 118408, 120745, 148010, 156674, 164920, 169043, 177940, 193192, 207214, 218120, 223820, 241490, 296020, 313348, 338086, 355880, 391685, 414428, 447640, 458831, 482980, 518035, 592040, 626696, 676172, 783370, 828856, 845215, 917662, 965960, 1036070, 1352344, 1566740, 1690430, 1835324, 2072140, 2294155, 3133480, 3211817, 3380860, 3670648, 4144280, 4588310, 6423634, 6761720, 9176620, 12847268, 16059085, 18353240, 25694536, 32118170, 64236340, 128472680]

約数ペア:

[(1, 128472680), (2, 64236340), (4, 32118170), (5, 25694536), (7, 18353240), (8, 16059085), (10, 12847268), (14, 9176620), (19, 6761720), (20, 6423634), (28, 4588310), (31, 4144280), (35, 3670648), (38, 3380860), (40, 3211817), (41, 3133480), (56, 2294155), (62, 2072140), (70, 1835324), (76, 1690430), (82, 1566740), (95, 1352344), (124, 1036070), (133, 965960), (140, 917662), (152, 845215), (155, 828856), (164, 783370), (190, 676172), (205, 626696), (217, 592040), (248, 518035), (266, 482980), (280, 458831), (287, 447640), (310, 414428), (328, 391685), (361, 355880), (380, 338086), (410, 313348), (434, 296020), (532, 241490), (574, 223820), (589, 218120), (620, 207214), (665, 193192), (722, 177940), (760, 169043), (779, 164920), (820, 156674), (868, 148010), (1064, 120745), (1085, 118408), (1148, 111910), (1178, 109060), (1240, 103607), (1271, 101080), (1330, 96596), (1435, 89528), (1444, 88970), (1558, 82460), (1640, 78337), (1736, 74005), (1805, 71176), (2170, 59204), (2296, 55955), (2356, 54530), (2527, 50840), (2542, 50540), (2660, 48298), (2870, 44764), (2888, 44485), (2945, 43624), (3116, 41230), (3610, 35588), (3895, 32984), (4123, 31160), (4340, 29602), (4712, 27265), (5054, 25420), (5084, 25270), (5320, 24149), (5453, 23560), (5740, 22382), (5890, 21812), (6232, 20615), (6355, 20216), (7220, 17794), (7790, 16492), (8246, 15580), (8680, 14801), (8897, 14440), (10108, 12710), (10168, 12635), (10906, 11780), (11191, 11480)]