16890240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:504

約数の個数: 128

約数和(自身を含む): 56793600

約数和(自身を除く): 39903360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 463, 480, 570, 608, 640, 760, 912, 926, 960, 1140, 1216, 1389, 1520, 1824, 1852, 1920, 2280, 2315, 2432, 2778, 3040, 3648, 3704, 4560, 4630, 5556, 6080, 6945, 7296, 7408, 8797, 9120, 9260, 11112, 12160, 13890, 14816, 17594, 18240, 18520, 22224, 26391, 27780, 29632, 35188, 36480, 37040, 43985, 44448, 52782, 55560, 59264, 70376, 74080, 87970, 88896, 105564, 111120, 131955, 140752, 148160, 175940, 177792, 211128, 222240, 263910, 281504, 296320, 351880, 422256, 444480, 527820, 563008, 703760, 844512, 888960, 1055640, 1126016, 1407520, 1689024, 2111280, 2815040, 3378048, 4222560, 5630080, 8445120, 16890240]

約数ペア:

[(1, 16890240), (2, 8445120), (3, 5630080), (4, 4222560), (5, 3378048), (6, 2815040), (8, 2111280), (10, 1689024), (12, 1407520), (15, 1126016), (16, 1055640), (19, 888960), (20, 844512), (24, 703760), (30, 563008), (32, 527820), (38, 444480), (40, 422256), (48, 351880), (57, 296320), (60, 281504), (64, 263910), (76, 222240), (80, 211128), (95, 177792), (96, 175940), (114, 148160), (120, 140752), (128, 131955), (152, 111120), (160, 105564), (190, 88896), (192, 87970), (228, 74080), (240, 70376), (285, 59264), (304, 55560), (320, 52782), (380, 44448), (384, 43985), (456, 37040), (463, 36480), (480, 35188), (570, 29632), (608, 27780), (640, 26391), (760, 22224), (912, 18520), (926, 18240), (960, 17594), (1140, 14816), (1216, 13890), (1389, 12160), (1520, 11112), (1824, 9260), (1852, 9120), (1920, 8797), (2280, 7408), (2315, 7296), (2432, 6945), (2778, 6080), (3040, 5556), (3648, 4630), (3704, 4560)]