30128280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 256

約数和(自身を含む): 116121600

約数和(自身を除く): 85993320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 52, 56, 60, 62, 65, 70, 78, 84, 89, 91, 93, 104, 105, 120, 124, 130, 140, 155, 156, 168, 178, 182, 186, 195, 210, 217, 248, 260, 267, 273, 280, 310, 312, 356, 364, 372, 390, 403, 420, 434, 445, 455, 465, 520, 534, 546, 620, 623, 651, 712, 728, 744, 780, 806, 840, 868, 890, 910, 930, 1068, 1085, 1092, 1157, 1209, 1240, 1246, 1302, 1335, 1365, 1560, 1612, 1736, 1780, 1820, 1860, 1869, 2015, 2136, 2170, 2184, 2314, 2418, 2492, 2604, 2670, 2730, 2759, 2821, 3115, 3224, 3255, 3471, 3560, 3640, 3720, 3738, 4030, 4340, 4628, 4836, 4984, 5208, 5340, 5460, 5518, 5642, 5785, 6045, 6230, 6510, 6942, 7476, 8060, 8099, 8277, 8463, 8680, 9256, 9345, 9672, 10680, 10920, 11036, 11284, 11570, 12090, 12460, 13020, 13795, 13884, 14105, 14952, 16120, 16198, 16554, 16926, 17355, 18690, 19313, 22072, 22568, 23140, 24180, 24297, 24920, 26040, 27590, 27768, 28210, 32396, 33108, 33852, 34710, 35867, 37380, 38626, 40495, 41385, 42315, 46280, 48360, 48594, 55180, 56420, 57939, 64792, 66216, 67704, 69420, 71734, 74760, 77252, 80990, 82770, 84630, 96565, 97188, 107601, 110360, 112840, 115878, 121485, 138840, 143468, 154504, 161980, 165540, 169260, 179335, 193130, 194376, 215202, 231756, 242970, 251069, 286936, 289695, 323960, 331080, 338520, 358670, 386260, 430404, 463512, 485940, 502138, 538005, 579390, 717340, 753207, 772520, 860808, 971880, 1004276, 1076010, 1158780, 1255345, 1434680, 1506414, 2008552, 2152020, 2317560, 2510690, 3012828, 3766035, 4304040, 5021380, 6025656, 7532070, 10042760, 15064140, 30128280]

約数ペア:

[(1, 30128280), (2, 15064140), (3, 10042760), (4, 7532070), (5, 6025656), (6, 5021380), (7, 4304040), (8, 3766035), (10, 3012828), (12, 2510690), (13, 2317560), (14, 2152020), (15, 2008552), (20, 1506414), (21, 1434680), (24, 1255345), (26, 1158780), (28, 1076010), (30, 1004276), (31, 971880), (35, 860808), (39, 772520), (40, 753207), (42, 717340), (52, 579390), (56, 538005), (60, 502138), (62, 485940), (65, 463512), (70, 430404), (78, 386260), (84, 358670), (89, 338520), (91, 331080), (93, 323960), (104, 289695), (105, 286936), (120, 251069), (124, 242970), (130, 231756), (140, 215202), (155, 194376), (156, 193130), (168, 179335), (178, 169260), (182, 165540), (186, 161980), (195, 154504), (210, 143468), (217, 138840), (248, 121485), (260, 115878), (267, 112840), (273, 110360), (280, 107601), (310, 97188), (312, 96565), (356, 84630), (364, 82770), (372, 80990), (390, 77252), (403, 74760), (420, 71734), (434, 69420), (445, 67704), (455, 66216), (465, 64792), (520, 57939), (534, 56420), (546, 55180), (620, 48594), (623, 48360), (651, 46280), (712, 42315), (728, 41385), (744, 40495), (780, 38626), (806, 37380), (840, 35867), (868, 34710), (890, 33852), (910, 33108), (930, 32396), (1068, 28210), (1085, 27768), (1092, 27590), (1157, 26040), (1209, 24920), (1240, 24297), (1246, 24180), (1302, 23140), (1335, 22568), (1365, 22072), (1560, 19313), (1612, 18690), (1736, 17355), (1780, 16926), (1820, 16554), (1860, 16198), (1869, 16120), (2015, 14952), (2136, 14105), (2170, 13884), (2184, 13795), (2314, 13020), (2418, 12460), (2492, 12090), (2604, 11570), (2670, 11284), (2730, 11036), (2759, 10920), (2821, 10680), (3115, 9672), (3224, 9345), (3255, 9256), (3471, 8680), (3560, 8463), (3640, 8277), (3720, 8099), (3738, 8060), (4030, 7476), (4340, 6942), (4628, 6510), (4836, 6230), (4984, 6045), (5208, 5785), (5340, 5642), (5460, 5518)]