390001560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:222

約数の個数: 192

約数和(自身を含む): 1298656800

約数和(自身を除く): 908655240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 89, 104, 106, 120, 130, 156, 159, 178, 195, 212, 260, 265, 267, 312, 318, 356, 390, 424, 445, 520, 530, 534, 636, 689, 712, 780, 795, 890, 1060, 1068, 1157, 1272, 1335, 1378, 1560, 1590, 1780, 2067, 2120, 2136, 2314, 2670, 2756, 2809, 3180, 3445, 3471, 3560, 4134, 4628, 4717, 5340, 5512, 5618, 5785, 6360, 6890, 6942, 8268, 8427, 9256, 9434, 10335, 10680, 11236, 11570, 13780, 13884, 14045, 14151, 16536, 16854, 17355, 18868, 20670, 22472, 23140, 23585, 27560, 27768, 28090, 28302, 33708, 34710, 36517, 37736, 41340, 42135, 46280, 47170, 56180, 56604, 61321, 67416, 69420, 70755, 73034, 82680, 84270, 94340, 109551, 112360, 113208, 122642, 138840, 141510, 146068, 168540, 182585, 183963, 188680, 219102, 245284, 250001, 283020, 292136, 306605, 337080, 365170, 367926, 438204, 490568, 500002, 547755, 566040, 613210, 730340, 735852, 750003, 876408, 919815, 1000004, 1095510, 1226420, 1250005, 1460680, 1471704, 1500006, 1839630, 2000008, 2191020, 2452840, 2500010, 3000012, 3250013, 3679260, 3750015, 4382040, 5000020, 6000024, 6500026, 7358520, 7500030, 9750039, 10000040, 13000052, 15000060, 16250065, 19500078, 26000104, 30000120, 32500130, 39000156, 48750195, 65000260, 78000312, 97500390, 130000520, 195000780, 390001560]

約数ペア:

[(1, 390001560), (2, 195000780), (3, 130000520), (4, 97500390), (5, 78000312), (6, 65000260), (8, 48750195), (10, 39000156), (12, 32500130), (13, 30000120), (15, 26000104), (20, 19500078), (24, 16250065), (26, 15000060), (30, 13000052), (39, 10000040), (40, 9750039), (52, 7500030), (53, 7358520), (60, 6500026), (65, 6000024), (78, 5000020), (89, 4382040), (104, 3750015), (106, 3679260), (120, 3250013), (130, 3000012), (156, 2500010), (159, 2452840), (178, 2191020), (195, 2000008), (212, 1839630), (260, 1500006), (265, 1471704), (267, 1460680), (312, 1250005), (318, 1226420), (356, 1095510), (390, 1000004), (424, 919815), (445, 876408), (520, 750003), (530, 735852), (534, 730340), (636, 613210), (689, 566040), (712, 547755), (780, 500002), (795, 490568), (890, 438204), (1060, 367926), (1068, 365170), (1157, 337080), (1272, 306605), (1335, 292136), (1378, 283020), (1560, 250001), (1590, 245284), (1780, 219102), (2067, 188680), (2120, 183963), (2136, 182585), (2314, 168540), (2670, 146068), (2756, 141510), (2809, 138840), (3180, 122642), (3445, 113208), (3471, 112360), (3560, 109551), (4134, 94340), (4628, 84270), (4717, 82680), (5340, 73034), (5512, 70755), (5618, 69420), (5785, 67416), (6360, 61321), (6890, 56604), (6942, 56180), (8268, 47170), (8427, 46280), (9256, 42135), (9434, 41340), (10335, 37736), (10680, 36517), (11236, 34710), (11570, 33708), (13780, 28302), (13884, 28090), (14045, 27768), (14151, 27560), (16536, 23585), (16854, 23140), (17355, 22472), (18868, 20670)]