1293396880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{27449}}^1$

素因数の和:27512

約数の個数: 80

約数和(自身を含む): 3267648000

約数和(自身を除く): 1974251120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 23560, 27449, 47120, 54898, 109796, 137245, 219592, 274490, 439184, 521531, 548980, 850919, 1043062, 1097960, 1701838, 2086124, 2195920, 2607655, 3403676, 4172248, 4254595, 5215310, 6807352, 8344496, 8509190, 10430620, 13614704, 16167461, 17018380, 20861240, 32334922, 34036760, 41722480, 64669844, 68073520, 80837305, 129339688, 161674610, 258679376, 323349220, 646698440, 1293396880]

約数ペア:

[(1, 1293396880), (2, 646698440), (4, 323349220), (5, 258679376), (8, 161674610), (10, 129339688), (16, 80837305), (19, 68073520), (20, 64669844), (31, 41722480), (38, 34036760), (40, 32334922), (62, 20861240), (76, 17018380), (80, 16167461), (95, 13614704), (124, 10430620), (152, 8509190), (155, 8344496), (190, 6807352), (248, 5215310), (304, 4254595), (310, 4172248), (380, 3403676), (496, 2607655), (589, 2195920), (620, 2086124), (760, 1701838), (1178, 1097960), (1240, 1043062), (1520, 850919), (2356, 548980), (2480, 521531), (2945, 439184), (4712, 274490), (5890, 219592), (9424, 137245), (11780, 109796), (23560, 54898), (27449, 47120)]