1280972400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{2957}}^1$

素因数の和:3016

約数の個数: 180

約数和(自身を含む): 4332180312

約数和(自身を除く): 3051207912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 100, 114, 120, 150, 152, 190, 200, 228, 240, 285, 300, 304, 361, 380, 400, 456, 475, 570, 600, 722, 760, 912, 950, 1083, 1140, 1200, 1425, 1444, 1520, 1805, 1900, 2166, 2280, 2850, 2888, 2957, 3610, 3800, 4332, 4560, 5415, 5700, 5776, 5914, 7220, 7600, 8664, 8871, 9025, 10830, 11400, 11828, 14440, 14785, 17328, 17742, 18050, 21660, 22800, 23656, 27075, 28880, 29570, 35484, 36100, 43320, 44355, 47312, 54150, 56183, 59140, 70968, 72200, 73925, 86640, 88710, 108300, 112366, 118280, 141936, 144400, 147850, 168549, 177420, 216600, 221775, 224732, 236560, 280915, 295700, 337098, 354840, 433200, 443550, 449464, 561830, 591400, 674196, 709680, 842745, 887100, 898928, 1067477, 1123660, 1182800, 1348392, 1404575, 1685490, 1774200, 2134954, 2247320, 2696784, 2809150, 3202431, 3370980, 3548400, 4213725, 4269908, 4494640, 5337385, 5618300, 6404862, 6741960, 8427450, 8539816, 10674770, 11236600, 12809724, 13483920, 16012155, 16854900, 17079632, 21349540, 22473200, 25619448, 26686925, 32024310, 33709800, 42699080, 51238896, 53373850, 64048620, 67419600, 80060775, 85398160, 106747700, 128097240, 160121550, 213495400, 256194480, 320243100, 426990800, 640486200, 1280972400]

約数ペア:

[(1, 1280972400), (2, 640486200), (3, 426990800), (4, 320243100), (5, 256194480), (6, 213495400), (8, 160121550), (10, 128097240), (12, 106747700), (15, 85398160), (16, 80060775), (19, 67419600), (20, 64048620), (24, 53373850), (25, 51238896), (30, 42699080), (38, 33709800), (40, 32024310), (48, 26686925), (50, 25619448), (57, 22473200), (60, 21349540), (75, 17079632), (76, 16854900), (80, 16012155), (95, 13483920), (100, 12809724), (114, 11236600), (120, 10674770), (150, 8539816), (152, 8427450), (190, 6741960), (200, 6404862), (228, 5618300), (240, 5337385), (285, 4494640), (300, 4269908), (304, 4213725), (361, 3548400), (380, 3370980), (400, 3202431), (456, 2809150), (475, 2696784), (570, 2247320), (600, 2134954), (722, 1774200), (760, 1685490), (912, 1404575), (950, 1348392), (1083, 1182800), (1140, 1123660), (1200, 1067477), (1425, 898928), (1444, 887100), (1520, 842745), (1805, 709680), (1900, 674196), (2166, 591400), (2280, 561830), (2850, 449464), (2888, 443550), (2957, 433200), (3610, 354840), (3800, 337098), (4332, 295700), (4560, 280915), (5415, 236560), (5700, 224732), (5776, 221775), (5914, 216600), (7220, 177420), (7600, 168549), (8664, 147850), (8871, 144400), (9025, 141936), (10830, 118280), (11400, 112366), (11828, 108300), (14440, 88710), (14785, 86640), (17328, 73925), (17742, 72200), (18050, 70968), (21660, 59140), (22800, 56183), (23656, 54150), (27075, 47312), (28880, 44355), (29570, 43320), (35484, 36100)]