254917680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55903}}^1$

素因数の和:55938

約数の個数: 80

約数和(自身を含む): 831851520

約数和(自身を除く): 576933840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 55903, 111806, 167709, 223612, 279515, 335418, 447224, 559030, 670836, 838545, 894448, 1062157, 1118060, 1341672, 1677090, 2124314, 2236120, 2683344, 3186471, 3354180, 4248628, 4472240, 5310785, 6372942, 6708360, 8497256, 10621570, 12745884, 13416720, 15932355, 16994512, 21243140, 25491768, 31864710, 42486280, 50983536, 63729420, 84972560, 127458840, 254917680]

約数ペア:

[(1, 254917680), (2, 127458840), (3, 84972560), (4, 63729420), (5, 50983536), (6, 42486280), (8, 31864710), (10, 25491768), (12, 21243140), (15, 16994512), (16, 15932355), (19, 13416720), (20, 12745884), (24, 10621570), (30, 8497256), (38, 6708360), (40, 6372942), (48, 5310785), (57, 4472240), (60, 4248628), (76, 3354180), (80, 3186471), (95, 2683344), (114, 2236120), (120, 2124314), (152, 1677090), (190, 1341672), (228, 1118060), (240, 1062157), (285, 894448), (304, 838545), (380, 670836), (456, 559030), (570, 447224), (760, 335418), (912, 279515), (1140, 223612), (1520, 167709), (2280, 111806), (4560, 55903)]