287669120

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:656

約数の個数: 128

約数和(自身を含む): 742845600

約数和(自身を除く): 455176480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 152, 160, 164, 190, 205, 304, 320, 328, 380, 410, 577, 608, 640, 656, 760, 779, 820, 1154, 1216, 1312, 1520, 1558, 1640, 2308, 2432, 2624, 2885, 3040, 3116, 3280, 3895, 4616, 5248, 5770, 6080, 6232, 6560, 7790, 9232, 10963, 11540, 12160, 12464, 13120, 15580, 18464, 21926, 23080, 23657, 24928, 26240, 31160, 36928, 43852, 46160, 47314, 49856, 54815, 62320, 73856, 87704, 92320, 94628, 99712, 109630, 118285, 124640, 175408, 184640, 189256, 219260, 236570, 249280, 350816, 369280, 378512, 438520, 449483, 473140, 498560, 701632, 757024, 877040, 898966, 946280, 1403264, 1514048, 1754080, 1797932, 1892560, 2247415, 3028096, 3508160, 3595864, 3785120, 4494830, 7016320, 7191728, 7570240, 8989660, 14383456, 15140480, 17979320, 28766912, 35958640, 57533824, 71917280, 143834560, 287669120]

約数ペア:

[(1, 287669120), (2, 143834560), (4, 71917280), (5, 57533824), (8, 35958640), (10, 28766912), (16, 17979320), (19, 15140480), (20, 14383456), (32, 8989660), (38, 7570240), (40, 7191728), (41, 7016320), (64, 4494830), (76, 3785120), (80, 3595864), (82, 3508160), (95, 3028096), (128, 2247415), (152, 1892560), (160, 1797932), (164, 1754080), (190, 1514048), (205, 1403264), (304, 946280), (320, 898966), (328, 877040), (380, 757024), (410, 701632), (577, 498560), (608, 473140), (640, 449483), (656, 438520), (760, 378512), (779, 369280), (820, 350816), (1154, 249280), (1216, 236570), (1312, 219260), (1520, 189256), (1558, 184640), (1640, 175408), (2308, 124640), (2432, 118285), (2624, 109630), (2885, 99712), (3040, 94628), (3116, 92320), (3280, 87704), (3895, 73856), (4616, 62320), (5248, 54815), (5770, 49856), (6080, 47314), (6232, 46160), (6560, 43852), (7790, 36928), (9232, 31160), (10963, 26240), (11540, 24928), (12160, 23657), (12464, 23080), (13120, 21926), (15580, 18464)]