39913740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 130830336

約数和(自身を除く): 90916596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 311, 345, 372, 414, 460, 465, 558, 620, 622, 690, 713, 828, 930, 933, 1035, 1116, 1244, 1380, 1395, 1426, 1555, 1860, 1866, 2070, 2139, 2790, 2799, 2852, 3110, 3565, 3732, 4140, 4278, 4665, 5580, 5598, 6220, 6417, 7130, 7153, 8556, 9330, 9641, 10695, 11196, 12834, 13995, 14260, 14306, 18660, 19282, 21390, 21459, 25668, 27990, 28612, 28923, 32085, 35765, 38564, 42780, 42918, 48205, 55980, 57846, 64170, 64377, 71530, 85836, 86769, 96410, 107295, 115692, 128340, 128754, 143060, 144615, 173538, 192820, 214590, 221743, 257508, 289230, 321885, 347076, 429180, 433845, 443486, 578460, 643770, 665229, 867690, 886972, 1108715, 1287540, 1330458, 1735380, 1995687, 2217430, 2660916, 3326145, 3991374, 4434860, 6652290, 7982748, 9978435, 13304580, 19956870, 39913740]

約数ペア:

[(1, 39913740), (2, 19956870), (3, 13304580), (4, 9978435), (5, 7982748), (6, 6652290), (9, 4434860), (10, 3991374), (12, 3326145), (15, 2660916), (18, 2217430), (20, 1995687), (23, 1735380), (30, 1330458), (31, 1287540), (36, 1108715), (45, 886972), (46, 867690), (60, 665229), (62, 643770), (69, 578460), (90, 443486), (92, 433845), (93, 429180), (115, 347076), (124, 321885), (138, 289230), (155, 257508), (180, 221743), (186, 214590), (207, 192820), (230, 173538), (276, 144615), (279, 143060), (310, 128754), (311, 128340), (345, 115692), (372, 107295), (414, 96410), (460, 86769), (465, 85836), (558, 71530), (620, 64377), (622, 64170), (690, 57846), (713, 55980), (828, 48205), (930, 42918), (933, 42780), (1035, 38564), (1116, 35765), (1244, 32085), (1380, 28923), (1395, 28612), (1426, 27990), (1555, 25668), (1860, 21459), (1866, 21390), (2070, 19282), (2139, 18660), (2790, 14306), (2799, 14260), (2852, 13995), (3110, 12834), (3565, 11196), (3732, 10695), (4140, 9641), (4278, 9330), (4665, 8556), (5580, 7153), (5598, 7130), (6220, 6417)]