245980480

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:576

約数の個数: 112

約数和(自身を含む): 627644160

約数和(自身を除く): 381663680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 103, 136, 160, 170, 206, 272, 320, 340, 412, 439, 515, 544, 680, 824, 878, 1030, 1088, 1360, 1648, 1751, 1756, 2060, 2195, 2720, 3296, 3502, 3512, 4120, 4390, 5440, 6592, 7004, 7024, 7463, 8240, 8755, 8780, 14008, 14048, 14926, 16480, 17510, 17560, 28016, 28096, 29852, 32960, 35020, 35120, 37315, 45217, 56032, 59704, 70040, 70240, 74630, 90434, 112064, 119408, 140080, 140480, 149260, 180868, 226085, 238816, 280160, 298520, 361736, 452170, 477632, 560320, 597040, 723472, 768689, 904340, 1194080, 1446944, 1537378, 1808680, 2388160, 2893888, 3074756, 3617360, 3843445, 6149512, 7234720, 7686890, 12299024, 14469440, 15373780, 24598048, 30747560, 49196096, 61495120, 122990240, 245980480]

約数ペア:

[(1, 245980480), (2, 122990240), (4, 61495120), (5, 49196096), (8, 30747560), (10, 24598048), (16, 15373780), (17, 14469440), (20, 12299024), (32, 7686890), (34, 7234720), (40, 6149512), (64, 3843445), (68, 3617360), (80, 3074756), (85, 2893888), (103, 2388160), (136, 1808680), (160, 1537378), (170, 1446944), (206, 1194080), (272, 904340), (320, 768689), (340, 723472), (412, 597040), (439, 560320), (515, 477632), (544, 452170), (680, 361736), (824, 298520), (878, 280160), (1030, 238816), (1088, 226085), (1360, 180868), (1648, 149260), (1751, 140480), (1756, 140080), (2060, 119408), (2195, 112064), (2720, 90434), (3296, 74630), (3502, 70240), (3512, 70040), (4120, 59704), (4390, 56032), (5440, 45217), (6592, 37315), (7004, 35120), (7024, 35020), (7463, 32960), (8240, 29852), (8755, 28096), (8780, 28016), (14008, 17560), (14048, 17510), (14926, 16480)]