721727120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{12653}}^1$

素因数の和:12720

約数の個数: 80

約数和(自身を含む): 1807598592

約数和(自身を除く): 1085871472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1426, 1840, 2480, 2852, 3565, 5704, 7130, 11408, 12653, 14260, 25306, 28520, 50612, 57040, 63265, 101224, 126530, 202448, 253060, 291019, 392243, 506120, 582038, 784486, 1012240, 1164076, 1455095, 1568972, 1961215, 2328152, 2910190, 3137944, 3922430, 4656304, 5820380, 6275888, 7844860, 9021589, 11640760, 15689720, 18043178, 23281520, 31379440, 36086356, 45107945, 72172712, 90215890, 144345424, 180431780, 360863560, 721727120]

約数ペア:

[(1, 721727120), (2, 360863560), (4, 180431780), (5, 144345424), (8, 90215890), (10, 72172712), (16, 45107945), (20, 36086356), (23, 31379440), (31, 23281520), (40, 18043178), (46, 15689720), (62, 11640760), (80, 9021589), (92, 7844860), (115, 6275888), (124, 5820380), (155, 4656304), (184, 3922430), (230, 3137944), (248, 2910190), (310, 2328152), (368, 1961215), (460, 1568972), (496, 1455095), (620, 1164076), (713, 1012240), (920, 784486), (1240, 582038), (1426, 506120), (1840, 392243), (2480, 291019), (2852, 253060), (3565, 202448), (5704, 126530), (7130, 101224), (11408, 63265), (12653, 57040), (14260, 50612), (25306, 28520)]