399674080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 1097349120

約数和(自身を除く): 697675040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 89, 104, 127, 130, 136, 160, 170, 178, 208, 221, 254, 260, 272, 340, 356, 416, 442, 445, 508, 520, 544, 635, 680, 712, 884, 890, 1016, 1040, 1105, 1157, 1270, 1360, 1424, 1513, 1651, 1768, 1780, 2032, 2080, 2159, 2210, 2314, 2540, 2720, 2848, 3026, 3302, 3536, 3560, 4064, 4318, 4420, 4628, 5080, 5785, 6052, 6604, 7072, 7120, 7565, 8255, 8636, 8840, 9256, 10160, 10795, 11303, 11570, 12104, 13208, 14240, 15130, 16510, 17272, 17680, 18512, 19669, 20320, 21590, 22606, 23140, 24208, 26416, 28067, 30260, 33020, 34544, 35360, 37024, 39338, 43180, 45212, 46280, 48416, 52832, 56134, 56515, 60520, 66040, 69088, 78676, 86360, 90424, 92560, 98345, 112268, 113030, 121040, 132080, 140335, 146939, 157352, 172720, 180848, 185120, 192151, 196690, 224536, 226060, 242080, 264160, 280670, 293878, 314704, 345440, 361696, 384302, 393380, 449072, 452120, 561340, 587756, 629408, 734695, 768604, 786760, 898144, 904240, 960755, 1122680, 1175512, 1469390, 1537208, 1573520, 1808480, 1921510, 2245360, 2351024, 2497963, 2938780, 3074416, 3147040, 3843020, 4490720, 4702048, 4995926, 5877560, 6148832, 7686040, 9991852, 11755120, 12489815, 15372080, 19983704, 23510240, 24979630, 30744160, 39967408, 49959260, 79934816, 99918520, 199837040, 399674080]

約数ペア:

[(1, 399674080), (2, 199837040), (4, 99918520), (5, 79934816), (8, 49959260), (10, 39967408), (13, 30744160), (16, 24979630), (17, 23510240), (20, 19983704), (26, 15372080), (32, 12489815), (34, 11755120), (40, 9991852), (52, 7686040), (65, 6148832), (68, 5877560), (80, 4995926), (85, 4702048), (89, 4490720), (104, 3843020), (127, 3147040), (130, 3074416), (136, 2938780), (160, 2497963), (170, 2351024), (178, 2245360), (208, 1921510), (221, 1808480), (254, 1573520), (260, 1537208), (272, 1469390), (340, 1175512), (356, 1122680), (416, 960755), (442, 904240), (445, 898144), (508, 786760), (520, 768604), (544, 734695), (635, 629408), (680, 587756), (712, 561340), (884, 452120), (890, 449072), (1016, 393380), (1040, 384302), (1105, 361696), (1157, 345440), (1270, 314704), (1360, 293878), (1424, 280670), (1513, 264160), (1651, 242080), (1768, 226060), (1780, 224536), (2032, 196690), (2080, 192151), (2159, 185120), (2210, 180848), (2314, 172720), (2540, 157352), (2720, 146939), (2848, 140335), (3026, 132080), (3302, 121040), (3536, 113030), (3560, 112268), (4064, 98345), (4318, 92560), (4420, 90424), (4628, 86360), (5080, 78676), (5785, 69088), (6052, 66040), (6604, 60520), (7072, 56515), (7120, 56134), (7565, 52832), (8255, 48416), (8636, 46280), (8840, 45212), (9256, 43180), (10160, 39338), (10795, 37024), (11303, 35360), (11570, 34544), (12104, 33020), (13208, 30260), (14240, 28067), (15130, 26416), (16510, 24208), (17272, 23140), (17680, 22606), (18512, 21590), (19669, 20320)]