79728740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:717

約数の個数: 96

約数和(自身を含む): 209309184

約数和(自身を除く): 129580444

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 71, 91, 130, 140, 142, 182, 260, 284, 355, 364, 455, 497, 617, 710, 910, 923, 994, 1234, 1420, 1820, 1846, 1988, 2468, 2485, 3085, 3692, 4319, 4615, 4970, 6170, 6461, 8021, 8638, 9230, 9940, 12340, 12922, 16042, 17276, 18460, 21595, 25844, 32084, 32305, 40105, 43190, 43807, 56147, 64610, 80210, 86380, 87614, 112294, 129220, 160420, 175228, 219035, 224588, 280735, 306649, 438070, 561470, 569491, 613298, 876140, 1122940, 1138982, 1226596, 1533245, 2277964, 2847455, 3066490, 3986437, 5694910, 6132980, 7972874, 11389820, 15945748, 19932185, 39864370, 79728740]

約数ペア:

[(1, 79728740), (2, 39864370), (4, 19932185), (5, 15945748), (7, 11389820), (10, 7972874), (13, 6132980), (14, 5694910), (20, 3986437), (26, 3066490), (28, 2847455), (35, 2277964), (52, 1533245), (65, 1226596), (70, 1138982), (71, 1122940), (91, 876140), (130, 613298), (140, 569491), (142, 561470), (182, 438070), (260, 306649), (284, 280735), (355, 224588), (364, 219035), (455, 175228), (497, 160420), (617, 129220), (710, 112294), (910, 87614), (923, 86380), (994, 80210), (1234, 64610), (1420, 56147), (1820, 43807), (1846, 43190), (1988, 40105), (2468, 32305), (2485, 32084), (3085, 25844), (3692, 21595), (4319, 18460), (4615, 17276), (4970, 16042), (6170, 12922), (6461, 12340), (8021, 9940), (8638, 9230)]