78028080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:399

約数の個数: 160

約数和(自身を含む): 264358080

約数和(自身を除く): 186330000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 89, 104, 120, 130, 156, 178, 195, 208, 240, 260, 267, 281, 312, 356, 390, 445, 520, 534, 562, 624, 712, 780, 843, 890, 1040, 1068, 1124, 1157, 1335, 1405, 1424, 1560, 1686, 1780, 2136, 2248, 2314, 2670, 2810, 3120, 3372, 3471, 3560, 3653, 4215, 4272, 4496, 4628, 5340, 5620, 5785, 6744, 6942, 7120, 7306, 8430, 9256, 10680, 10959, 11240, 11570, 13488, 13884, 14612, 16860, 17355, 18265, 18512, 21360, 21918, 22480, 23140, 25009, 27768, 29224, 33720, 34710, 36530, 43836, 46280, 50018, 54795, 55536, 58448, 67440, 69420, 73060, 75027, 87672, 92560, 100036, 109590, 125045, 138840, 146120, 150054, 175344, 200072, 219180, 250090, 277680, 292240, 300108, 325117, 375135, 400144, 438360, 500180, 600216, 650234, 750270, 876720, 975351, 1000360, 1200432, 1300468, 1500540, 1625585, 1950702, 2000720, 2600936, 3001080, 3251170, 3901404, 4876755, 5201872, 6002160, 6502340, 7802808, 9753510, 13004680, 15605616, 19507020, 26009360, 39014040, 78028080]

約数ペア:

[(1, 78028080), (2, 39014040), (3, 26009360), (4, 19507020), (5, 15605616), (6, 13004680), (8, 9753510), (10, 7802808), (12, 6502340), (13, 6002160), (15, 5201872), (16, 4876755), (20, 3901404), (24, 3251170), (26, 3001080), (30, 2600936), (39, 2000720), (40, 1950702), (48, 1625585), (52, 1500540), (60, 1300468), (65, 1200432), (78, 1000360), (80, 975351), (89, 876720), (104, 750270), (120, 650234), (130, 600216), (156, 500180), (178, 438360), (195, 400144), (208, 375135), (240, 325117), (260, 300108), (267, 292240), (281, 277680), (312, 250090), (356, 219180), (390, 200072), (445, 175344), (520, 150054), (534, 146120), (562, 138840), (624, 125045), (712, 109590), (780, 100036), (843, 92560), (890, 87672), (1040, 75027), (1068, 73060), (1124, 69420), (1157, 67440), (1335, 58448), (1405, 55536), (1424, 54795), (1560, 50018), (1686, 46280), (1780, 43836), (2136, 36530), (2248, 34710), (2314, 33720), (2670, 29224), (2810, 27768), (3120, 25009), (3372, 23140), (3471, 22480), (3560, 21918), (3653, 21360), (4215, 18512), (4272, 18265), (4496, 17355), (4628, 16860), (5340, 14612), (5620, 13884), (5785, 13488), (6744, 11570), (6942, 11240), (7120, 10959), (7306, 10680), (8430, 9256)]