39638340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 138972288

約数和(自身を除く): 99333948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 163, 180, 193, 210, 252, 315, 326, 386, 420, 489, 579, 630, 652, 772, 815, 965, 978, 1141, 1158, 1260, 1351, 1467, 1630, 1737, 1930, 1956, 2282, 2316, 2445, 2702, 2895, 2934, 3260, 3423, 3474, 3860, 4053, 4564, 4890, 5404, 5705, 5790, 5868, 6755, 6846, 6948, 7335, 8106, 8685, 9780, 10269, 11410, 11580, 12159, 13510, 13692, 14670, 16212, 17115, 17370, 20265, 20538, 22820, 24318, 27020, 29340, 31459, 34230, 34740, 40530, 41076, 48636, 51345, 60795, 62918, 68460, 81060, 94377, 102690, 121590, 125836, 157295, 188754, 205380, 220213, 243180, 283131, 314590, 377508, 440426, 471885, 566262, 629180, 660639, 880852, 943770, 1101065, 1132524, 1321278, 1415655, 1887540, 1981917, 2202130, 2642556, 2831310, 3303195, 3963834, 4404260, 5662620, 6606390, 7927668, 9909585, 13212780, 19819170, 39638340]

約数ペア:

[(1, 39638340), (2, 19819170), (3, 13212780), (4, 9909585), (5, 7927668), (6, 6606390), (7, 5662620), (9, 4404260), (10, 3963834), (12, 3303195), (14, 2831310), (15, 2642556), (18, 2202130), (20, 1981917), (21, 1887540), (28, 1415655), (30, 1321278), (35, 1132524), (36, 1101065), (42, 943770), (45, 880852), (60, 660639), (63, 629180), (70, 566262), (84, 471885), (90, 440426), (105, 377508), (126, 314590), (140, 283131), (163, 243180), (180, 220213), (193, 205380), (210, 188754), (252, 157295), (315, 125836), (326, 121590), (386, 102690), (420, 94377), (489, 81060), (579, 68460), (630, 62918), (652, 60795), (772, 51345), (815, 48636), (965, 41076), (978, 40530), (1141, 34740), (1158, 34230), (1260, 31459), (1351, 29340), (1467, 27020), (1630, 24318), (1737, 22820), (1930, 20538), (1956, 20265), (2282, 17370), (2316, 17115), (2445, 16212), (2702, 14670), (2895, 13692), (2934, 13510), (3260, 12159), (3423, 11580), (3474, 11410), (3860, 10269), (4053, 9780), (4564, 8685), (4890, 8106), (5404, 7335), (5705, 6948), (5790, 6846), (5868, 6755)]