67839720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43487}}^1$

素因数の和:43514

約数の個数: 64

約数和(自身を含む): 219179520

約数和(自身を除く): 151339800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 43487, 86974, 130461, 173948, 217435, 260922, 347896, 434870, 521844, 565331, 652305, 869740, 1043688, 1130662, 1304610, 1695993, 1739480, 2261324, 2609220, 2826655, 3391986, 4522648, 5218440, 5653310, 6783972, 8479965, 11306620, 13567944, 16959930, 22613240, 33919860, 67839720]

約数ペア:

[(1, 67839720), (2, 33919860), (3, 22613240), (4, 16959930), (5, 13567944), (6, 11306620), (8, 8479965), (10, 6783972), (12, 5653310), (13, 5218440), (15, 4522648), (20, 3391986), (24, 2826655), (26, 2609220), (30, 2261324), (39, 1739480), (40, 1695993), (52, 1304610), (60, 1130662), (65, 1043688), (78, 869740), (104, 652305), (120, 565331), (130, 521844), (156, 434870), (195, 347896), (260, 260922), (312, 217435), (390, 173948), (520, 130461), (780, 86974), (1560, 43487)]