78847720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14821}}^1$

素因数の和:14858

約数の個数: 64

約数和(自身を含む): 213436800

約数和(自身を除く): 134589080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 14821, 29642, 59284, 74105, 103747, 118568, 148210, 207494, 281599, 296420, 414988, 518735, 563198, 592840, 829976, 1037470, 1126396, 1407995, 1971193, 2074940, 2252792, 2815990, 3942386, 4149880, 5631980, 7884772, 9855965, 11263960, 15769544, 19711930, 39423860, 78847720]

約数ペア:

[(1, 78847720), (2, 39423860), (4, 19711930), (5, 15769544), (7, 11263960), (8, 9855965), (10, 7884772), (14, 5631980), (19, 4149880), (20, 3942386), (28, 2815990), (35, 2252792), (38, 2074940), (40, 1971193), (56, 1407995), (70, 1126396), (76, 1037470), (95, 829976), (133, 592840), (140, 563198), (152, 518735), (190, 414988), (266, 296420), (280, 281599), (380, 207494), (532, 148210), (665, 118568), (760, 103747), (1064, 74105), (1330, 59284), (2660, 29642), (5320, 14821)]