165485440

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 430848000

約数和(自身を除く): 265362560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 304, 310, 320, 380, 439, 496, 589, 608, 620, 640, 760, 878, 992, 1178, 1216, 1240, 1520, 1756, 1984, 2195, 2356, 2432, 2480, 2945, 3040, 3512, 3968, 4390, 4712, 4960, 5890, 6080, 7024, 8341, 8780, 9424, 9920, 11780, 12160, 13609, 14048, 16682, 17560, 18848, 19840, 23560, 27218, 28096, 33364, 35120, 37696, 41705, 47120, 54436, 56192, 66728, 68045, 70240, 75392, 83410, 94240, 108872, 133456, 136090, 140480, 166820, 188480, 217744, 258571, 266912, 272180, 280960, 333640, 376960, 435488, 517142, 533824, 544360, 667280, 870976, 1034284, 1067648, 1088720, 1292855, 1334560, 1741952, 2068568, 2177440, 2585710, 2669120, 4137136, 4354880, 5171420, 5338240, 8274272, 8709760, 10342840, 16548544, 20685680, 33097088, 41371360, 82742720, 165485440]

約数ペア:

[(1, 165485440), (2, 82742720), (4, 41371360), (5, 33097088), (8, 20685680), (10, 16548544), (16, 10342840), (19, 8709760), (20, 8274272), (31, 5338240), (32, 5171420), (38, 4354880), (40, 4137136), (62, 2669120), (64, 2585710), (76, 2177440), (80, 2068568), (95, 1741952), (124, 1334560), (128, 1292855), (152, 1088720), (155, 1067648), (160, 1034284), (190, 870976), (248, 667280), (304, 544360), (310, 533824), (320, 517142), (380, 435488), (439, 376960), (496, 333640), (589, 280960), (608, 272180), (620, 266912), (640, 258571), (760, 217744), (878, 188480), (992, 166820), (1178, 140480), (1216, 136090), (1240, 133456), (1520, 108872), (1756, 94240), (1984, 83410), (2195, 75392), (2356, 70240), (2432, 68045), (2480, 66728), (2945, 56192), (3040, 54436), (3512, 47120), (3968, 41705), (4390, 37696), (4712, 35120), (4960, 33364), (5890, 28096), (6080, 27218), (7024, 23560), (8341, 19840), (8780, 18848), (9424, 17560), (9920, 16682), (11780, 14048), (12160, 13609)]