77798120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{599}}^1$

素因数の和:818

約数の個数: 64

約数和(自身を含む): 186624000

約数和(自身を除く): 108825880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 191, 340, 382, 599, 680, 764, 955, 1198, 1528, 1910, 2396, 2995, 3247, 3820, 4792, 5990, 6494, 7640, 10183, 11980, 12988, 16235, 20366, 23960, 25976, 32470, 40732, 50915, 64940, 81464, 101830, 114409, 129880, 203660, 228818, 407320, 457636, 572045, 915272, 1144090, 1944953, 2288180, 3889906, 4576360, 7779812, 9724765, 15559624, 19449530, 38899060, 77798120]

約数ペア:

[(1, 77798120), (2, 38899060), (4, 19449530), (5, 15559624), (8, 9724765), (10, 7779812), (17, 4576360), (20, 3889906), (34, 2288180), (40, 1944953), (68, 1144090), (85, 915272), (136, 572045), (170, 457636), (191, 407320), (340, 228818), (382, 203660), (599, 129880), (680, 114409), (764, 101830), (955, 81464), (1198, 64940), (1528, 50915), (1910, 40732), (2396, 32470), (2995, 25976), (3247, 23960), (3820, 20366), (4792, 16235), (5990, 12988), (6494, 11980), (7640, 10183)]