68729440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 176795136

約数和(自身を除く): 108065696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 173, 191, 208, 260, 346, 382, 416, 520, 692, 764, 865, 955, 1040, 1384, 1528, 1730, 1910, 2080, 2249, 2483, 2768, 3056, 3460, 3820, 4498, 4966, 5536, 6112, 6920, 7640, 8996, 9932, 11245, 12415, 13840, 15280, 17992, 19864, 22490, 24830, 27680, 30560, 33043, 35984, 39728, 44980, 49660, 66086, 71968, 79456, 89960, 99320, 132172, 165215, 179920, 198640, 264344, 330430, 359840, 397280, 429559, 528688, 660860, 859118, 1057376, 1321720, 1718236, 2147795, 2643440, 3436472, 4295590, 5286880, 6872944, 8591180, 13745888, 17182360, 34364720, 68729440]

約数ペア:

[(1, 68729440), (2, 34364720), (4, 17182360), (5, 13745888), (8, 8591180), (10, 6872944), (13, 5286880), (16, 4295590), (20, 3436472), (26, 2643440), (32, 2147795), (40, 1718236), (52, 1321720), (65, 1057376), (80, 859118), (104, 660860), (130, 528688), (160, 429559), (173, 397280), (191, 359840), (208, 330430), (260, 264344), (346, 198640), (382, 179920), (416, 165215), (520, 132172), (692, 99320), (764, 89960), (865, 79456), (955, 71968), (1040, 66086), (1384, 49660), (1528, 44980), (1730, 39728), (1910, 35984), (2080, 33043), (2249, 30560), (2483, 27680), (2768, 24830), (3056, 22490), (3460, 19864), (3820, 17992), (4498, 15280), (4966, 13840), (5536, 12415), (6112, 11245), (6920, 9932), (7640, 8996)]