66720120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 142298760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 71, 82, 120, 123, 142, 164, 191, 205, 213, 246, 284, 328, 355, 382, 410, 426, 492, 568, 573, 615, 710, 764, 820, 852, 955, 984, 1065, 1146, 1230, 1420, 1528, 1640, 1704, 1910, 2130, 2292, 2460, 2840, 2865, 2911, 3820, 4260, 4584, 4920, 5730, 5822, 7640, 7831, 8520, 8733, 11460, 11644, 13561, 14555, 15662, 17466, 22920, 23288, 23493, 27122, 29110, 31324, 34932, 39155, 40683, 43665, 46986, 54244, 58220, 62648, 67805, 69864, 78310, 81366, 87330, 93972, 108488, 116440, 117465, 135610, 156620, 162732, 174660, 187944, 203415, 234930, 271220, 313240, 325464, 349320, 406830, 469860, 542440, 556001, 813660, 939720, 1112002, 1627320, 1668003, 2224004, 2780005, 3336006, 4448008, 5560010, 6672012, 8340015, 11120020, 13344024, 16680030, 22240040, 33360060, 66720120]

約数ペア:

[(1, 66720120), (2, 33360060), (3, 22240040), (4, 16680030), (5, 13344024), (6, 11120020), (8, 8340015), (10, 6672012), (12, 5560010), (15, 4448008), (20, 3336006), (24, 2780005), (30, 2224004), (40, 1668003), (41, 1627320), (60, 1112002), (71, 939720), (82, 813660), (120, 556001), (123, 542440), (142, 469860), (164, 406830), (191, 349320), (205, 325464), (213, 313240), (246, 271220), (284, 234930), (328, 203415), (355, 187944), (382, 174660), (410, 162732), (426, 156620), (492, 135610), (568, 117465), (573, 116440), (615, 108488), (710, 93972), (764, 87330), (820, 81366), (852, 78310), (955, 69864), (984, 67805), (1065, 62648), (1146, 58220), (1230, 54244), (1420, 46986), (1528, 43665), (1640, 40683), (1704, 39155), (1910, 34932), (2130, 31324), (2292, 29110), (2460, 27122), (2840, 23493), (2865, 23288), (2911, 22920), (3820, 17466), (4260, 15662), (4584, 14555), (4920, 13561), (5730, 11644), (5822, 11460), (7640, 8733), (7831, 8520)]