154808960

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:506

約数の個数: 128

約数和(自身を含む): 403920000

約数和(自身を除く): 249111040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 76, 80, 95, 116, 128, 145, 152, 160, 190, 232, 290, 304, 320, 380, 439, 464, 551, 580, 608, 640, 760, 878, 928, 1102, 1160, 1216, 1520, 1756, 1856, 2195, 2204, 2320, 2432, 2755, 3040, 3512, 3712, 4390, 4408, 4640, 5510, 6080, 7024, 8341, 8780, 8816, 9280, 11020, 12160, 12731, 14048, 16682, 17560, 17632, 18560, 22040, 25462, 28096, 33364, 35120, 35264, 41705, 44080, 50924, 56192, 63655, 66728, 70240, 70528, 83410, 88160, 101848, 127310, 133456, 140480, 166820, 176320, 203696, 241889, 254620, 266912, 280960, 333640, 352640, 407392, 483778, 509240, 533824, 667280, 814784, 967556, 1018480, 1067648, 1209445, 1334560, 1629568, 1935112, 2036960, 2418890, 2669120, 3870224, 4073920, 4837780, 5338240, 7740448, 8147840, 9675560, 15480896, 19351120, 30961792, 38702240, 77404480, 154808960]

約数ペア:

[(1, 154808960), (2, 77404480), (4, 38702240), (5, 30961792), (8, 19351120), (10, 15480896), (16, 9675560), (19, 8147840), (20, 7740448), (29, 5338240), (32, 4837780), (38, 4073920), (40, 3870224), (58, 2669120), (64, 2418890), (76, 2036960), (80, 1935112), (95, 1629568), (116, 1334560), (128, 1209445), (145, 1067648), (152, 1018480), (160, 967556), (190, 814784), (232, 667280), (290, 533824), (304, 509240), (320, 483778), (380, 407392), (439, 352640), (464, 333640), (551, 280960), (580, 266912), (608, 254620), (640, 241889), (760, 203696), (878, 176320), (928, 166820), (1102, 140480), (1160, 133456), (1216, 127310), (1520, 101848), (1756, 88160), (1856, 83410), (2195, 70528), (2204, 70240), (2320, 66728), (2432, 63655), (2755, 56192), (3040, 50924), (3512, 44080), (3712, 41705), (4390, 35264), (4408, 35120), (4640, 33364), (5510, 28096), (6080, 25462), (7024, 22040), (8341, 18560), (8780, 17632), (8816, 17560), (9280, 16682), (11020, 14048), (12160, 12731)]