505780470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1399}}^1$

素因数の和:1531

約数の個数: 128

約数和(自身を含む): 1467648000

約数和(自身を除く): 961867530

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 103, 117, 130, 135, 195, 206, 234, 270, 309, 351, 390, 515, 585, 618, 702, 927, 1030, 1170, 1339, 1399, 1545, 1755, 1854, 2678, 2781, 2798, 3090, 3510, 4017, 4197, 4635, 5562, 6695, 6995, 8034, 8394, 9270, 12051, 12591, 13390, 13905, 13990, 18187, 20085, 20985, 24102, 25182, 27810, 36153, 36374, 37773, 40170, 41970, 54561, 60255, 62955, 72306, 75546, 90935, 109122, 120510, 125910, 144097, 163683, 180765, 181870, 188865, 272805, 288194, 327366, 361530, 377730, 432291, 491049, 545610, 720485, 818415, 864582, 982098, 1296873, 1440970, 1636830, 1873261, 2161455, 2455245, 2593746, 3746522, 3890619, 4322910, 4910490, 5619783, 6484365, 7781238, 9366305, 11239566, 12968730, 16859349, 18732610, 19453095, 28098915, 33718698, 38906190, 50578047, 56197830, 84296745, 101156094, 168593490, 252890235, 505780470]

約数ペア:

[(1, 505780470), (2, 252890235), (3, 168593490), (5, 101156094), (6, 84296745), (9, 56197830), (10, 50578047), (13, 38906190), (15, 33718698), (18, 28098915), (26, 19453095), (27, 18732610), (30, 16859349), (39, 12968730), (45, 11239566), (54, 9366305), (65, 7781238), (78, 6484365), (90, 5619783), (103, 4910490), (117, 4322910), (130, 3890619), (135, 3746522), (195, 2593746), (206, 2455245), (234, 2161455), (270, 1873261), (309, 1636830), (351, 1440970), (390, 1296873), (515, 982098), (585, 864582), (618, 818415), (702, 720485), (927, 545610), (1030, 491049), (1170, 432291), (1339, 377730), (1399, 361530), (1545, 327366), (1755, 288194), (1854, 272805), (2678, 188865), (2781, 181870), (2798, 180765), (3090, 163683), (3510, 144097), (4017, 125910), (4197, 120510), (4635, 109122), (5562, 90935), (6695, 75546), (6995, 72306), (8034, 62955), (8394, 60255), (9270, 54561), (12051, 41970), (12591, 40170), (13390, 37773), (13905, 36374), (13990, 36153), (18187, 27810), (20085, 25182), (20985, 24102)]