30895280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 78786624

約数和(自身を除く): 47891344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 487, 488, 520, 610, 793, 974, 976, 1040, 1220, 1586, 1948, 2435, 2440, 3172, 3896, 3965, 4870, 4880, 6331, 6344, 7792, 7930, 9740, 12662, 12688, 15860, 19480, 25324, 29707, 31655, 31720, 38960, 50648, 59414, 63310, 63440, 101296, 118828, 126620, 148535, 237656, 253240, 297070, 386191, 475312, 506480, 594140, 772382, 1188280, 1544764, 1930955, 2376560, 3089528, 3861910, 6179056, 7723820, 15447640, 30895280]

約数ペア:

[(1, 30895280), (2, 15447640), (4, 7723820), (5, 6179056), (8, 3861910), (10, 3089528), (13, 2376560), (16, 1930955), (20, 1544764), (26, 1188280), (40, 772382), (52, 594140), (61, 506480), (65, 475312), (80, 386191), (104, 297070), (122, 253240), (130, 237656), (208, 148535), (244, 126620), (260, 118828), (305, 101296), (487, 63440), (488, 63310), (520, 59414), (610, 50648), (793, 38960), (974, 31720), (976, 31655), (1040, 29707), (1220, 25324), (1586, 19480), (1948, 15860), (2435, 12688), (2440, 12662), (3172, 9740), (3896, 7930), (3965, 7792), (4870, 6344), (4880, 6331)]