2019618180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{967}}^1$

素因数の和:1306

約数の個数: 144

約数和(自身を含む): 6304281984

約数和(自身を除く): 4284663804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 283, 369, 410, 492, 566, 615, 738, 820, 849, 967, 1132, 1230, 1415, 1476, 1698, 1845, 1934, 2460, 2547, 2830, 2901, 3396, 3690, 3868, 4245, 4835, 5094, 5660, 5802, 7380, 8490, 8703, 9670, 10188, 11603, 11604, 12735, 14505, 16980, 17406, 19340, 23206, 25470, 29010, 34809, 34812, 39647, 43515, 46412, 50940, 58015, 58020, 69618, 79294, 87030, 104427, 116030, 118941, 139236, 158588, 174045, 174060, 198235, 208854, 232060, 237882, 273661, 348090, 356823, 396470, 417708, 475764, 522135, 547322, 594705, 696180, 713646, 792940, 820983, 1044270, 1094644, 1189410, 1368305, 1427292, 1641966, 1784115, 2088540, 2378820, 2462949, 2736610, 3283932, 3568230, 4104915, 4925898, 5473220, 7136460, 8209830, 9851796, 11220101, 12314745, 16419660, 22440202, 24629490, 33660303, 44880404, 49258980, 56100505, 67320606, 100980909, 112201010, 134641212, 168301515, 201961818, 224402020, 336603030, 403923636, 504904545, 673206060, 1009809090, 2019618180]

約数ペア:

[(1, 2019618180), (2, 1009809090), (3, 673206060), (4, 504904545), (5, 403923636), (6, 336603030), (9, 224402020), (10, 201961818), (12, 168301515), (15, 134641212), (18, 112201010), (20, 100980909), (30, 67320606), (36, 56100505), (41, 49258980), (45, 44880404), (60, 33660303), (82, 24629490), (90, 22440202), (123, 16419660), (164, 12314745), (180, 11220101), (205, 9851796), (246, 8209830), (283, 7136460), (369, 5473220), (410, 4925898), (492, 4104915), (566, 3568230), (615, 3283932), (738, 2736610), (820, 2462949), (849, 2378820), (967, 2088540), (1132, 1784115), (1230, 1641966), (1415, 1427292), (1476, 1368305), (1698, 1189410), (1845, 1094644), (1934, 1044270), (2460, 820983), (2547, 792940), (2830, 713646), (2901, 696180), (3396, 594705), (3690, 547322), (3868, 522135), (4245, 475764), (4835, 417708), (5094, 396470), (5660, 356823), (5802, 348090), (7380, 273661), (8490, 237882), (8703, 232060), (9670, 208854), (10188, 198235), (11603, 174060), (11604, 174045), (12735, 158588), (14505, 139236), (16980, 118941), (17406, 116030), (19340, 104427), (23206, 87030), (25470, 79294), (29010, 69618), (34809, 58020), (34812, 58015), (39647, 50940), (43515, 46412)]