19638240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 62487936

約数和(自身を除く): 42849696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 163, 240, 251, 326, 480, 489, 502, 652, 753, 815, 978, 1004, 1255, 1304, 1506, 1630, 1956, 2008, 2445, 2510, 2608, 3012, 3260, 3765, 3912, 4016, 4890, 5020, 5216, 6024, 6520, 7530, 7824, 8032, 9780, 10040, 12048, 13040, 15060, 15648, 19560, 20080, 24096, 26080, 30120, 39120, 40160, 40913, 60240, 78240, 81826, 120480, 122739, 163652, 204565, 245478, 327304, 409130, 490956, 613695, 654608, 818260, 981912, 1227390, 1309216, 1636520, 1963824, 2454780, 3273040, 3927648, 4909560, 6546080, 9819120, 19638240]

約数ペア:

[(1, 19638240), (2, 9819120), (3, 6546080), (4, 4909560), (5, 3927648), (6, 3273040), (8, 2454780), (10, 1963824), (12, 1636520), (15, 1309216), (16, 1227390), (20, 981912), (24, 818260), (30, 654608), (32, 613695), (40, 490956), (48, 409130), (60, 327304), (80, 245478), (96, 204565), (120, 163652), (160, 122739), (163, 120480), (240, 81826), (251, 78240), (326, 60240), (480, 40913), (489, 40160), (502, 39120), (652, 30120), (753, 26080), (815, 24096), (978, 20080), (1004, 19560), (1255, 15648), (1304, 15060), (1506, 13040), (1630, 12048), (1956, 10040), (2008, 9780), (2445, 8032), (2510, 7824), (2608, 7530), (3012, 6520), (3260, 6024), (3765, 5216), (3912, 5020), (4016, 4890)]