164440640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5647}}^1$

素因数の和:5684

約数の個数: 112

約数和(自身を含む): 482022912

約数和(自身を除く): 317582272

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5647, 5824, 7280, 11294, 14560, 22588, 28235, 29120, 39529, 45176, 56470, 73411, 79058, 90352, 112940, 146822, 158116, 180704, 197645, 225880, 293644, 316232, 361408, 367055, 395290, 451760, 513877, 587288, 632464, 734110, 790580, 903520, 1027754, 1174576, 1264928, 1468220, 1581160, 1807040, 2055508, 2349152, 2529856, 2569385, 2936440, 3162320, 4111016, 4698304, 5138770, 5872880, 6324640, 8222032, 10277540, 11745760, 12649280, 16444064, 20555080, 23491520, 32888128, 41110160, 82220320, 164440640]

約数ペア:

[(1, 164440640), (2, 82220320), (4, 41110160), (5, 32888128), (7, 23491520), (8, 20555080), (10, 16444064), (13, 12649280), (14, 11745760), (16, 10277540), (20, 8222032), (26, 6324640), (28, 5872880), (32, 5138770), (35, 4698304), (40, 4111016), (52, 3162320), (56, 2936440), (64, 2569385), (65, 2529856), (70, 2349152), (80, 2055508), (91, 1807040), (104, 1581160), (112, 1468220), (130, 1264928), (140, 1174576), (160, 1027754), (182, 903520), (208, 790580), (224, 734110), (260, 632464), (280, 587288), (320, 513877), (364, 451760), (416, 395290), (448, 367055), (455, 361408), (520, 316232), (560, 293644), (728, 225880), (832, 197645), (910, 180704), (1040, 158116), (1120, 146822), (1456, 112940), (1820, 90352), (2080, 79058), (2240, 73411), (2912, 56470), (3640, 45176), (4160, 39529), (5647, 29120), (5824, 28235), (7280, 22588), (11294, 14560)]