19956480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5197}}^1$

素因数の和:5221

約数の個数: 72

約数和(自身を含む): 63748272

約数和(自身を除く): 43791792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5197, 10394, 15591, 20788, 25985, 31182, 41576, 51970, 62364, 77955, 83152, 103940, 124728, 155910, 166304, 207880, 249456, 311820, 332608, 415760, 498912, 623640, 665216, 831520, 997824, 1247280, 1330432, 1663040, 1995648, 2494560, 3326080, 3991296, 4989120, 6652160, 9978240, 19956480]

約数ペア:

[(1, 19956480), (2, 9978240), (3, 6652160), (4, 4989120), (5, 3991296), (6, 3326080), (8, 2494560), (10, 1995648), (12, 1663040), (15, 1330432), (16, 1247280), (20, 997824), (24, 831520), (30, 665216), (32, 623640), (40, 498912), (48, 415760), (60, 332608), (64, 311820), (80, 249456), (96, 207880), (120, 166304), (128, 155910), (160, 124728), (192, 103940), (240, 83152), (256, 77955), (320, 62364), (384, 51970), (480, 41576), (640, 31182), (768, 25985), (960, 20788), (1280, 15591), (1920, 10394), (3840, 5197)]