2591280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 8994960

約数和(自身を除く): 6403680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 61, 72, 80, 90, 118, 120, 122, 144, 177, 180, 183, 236, 240, 244, 295, 305, 354, 360, 366, 472, 488, 531, 549, 590, 610, 708, 720, 732, 885, 915, 944, 976, 1062, 1098, 1180, 1220, 1416, 1464, 1770, 1830, 2124, 2196, 2360, 2440, 2655, 2745, 2832, 2928, 3540, 3599, 3660, 4248, 4392, 4720, 4880, 5310, 5490, 7080, 7198, 7320, 8496, 8784, 10620, 10797, 10980, 14160, 14396, 14640, 17995, 21240, 21594, 21960, 28792, 32391, 35990, 42480, 43188, 43920, 53985, 57584, 64782, 71980, 86376, 107970, 129564, 143960, 161955, 172752, 215940, 259128, 287920, 323910, 431880, 518256, 647820, 863760, 1295640, 2591280]

約数ペア:

[(1, 2591280), (2, 1295640), (3, 863760), (4, 647820), (5, 518256), (6, 431880), (8, 323910), (9, 287920), (10, 259128), (12, 215940), (15, 172752), (16, 161955), (18, 143960), (20, 129564), (24, 107970), (30, 86376), (36, 71980), (40, 64782), (45, 57584), (48, 53985), (59, 43920), (60, 43188), (61, 42480), (72, 35990), (80, 32391), (90, 28792), (118, 21960), (120, 21594), (122, 21240), (144, 17995), (177, 14640), (180, 14396), (183, 14160), (236, 10980), (240, 10797), (244, 10620), (295, 8784), (305, 8496), (354, 7320), (360, 7198), (366, 7080), (472, 5490), (488, 5310), (531, 4880), (549, 4720), (590, 4392), (610, 4248), (708, 3660), (720, 3599), (732, 3540), (885, 2928), (915, 2832), (944, 2745), (976, 2655), (1062, 2440), (1098, 2360), (1180, 2196), (1220, 2124), (1416, 1830), (1464, 1770)]