207654120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:880

約数の個数: 192

約数和(自身を含む): 727833600

約数和(自身を除く): 520179480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 31, 36, 40, 45, 46, 60, 62, 69, 72, 90, 92, 93, 115, 120, 124, 138, 155, 180, 184, 186, 207, 230, 248, 276, 279, 310, 345, 360, 372, 414, 460, 465, 552, 558, 620, 690, 713, 744, 809, 828, 920, 930, 1035, 1116, 1240, 1380, 1395, 1426, 1618, 1656, 1860, 2070, 2139, 2232, 2427, 2760, 2790, 2852, 3236, 3565, 3720, 4045, 4140, 4278, 4854, 5580, 5704, 6417, 6472, 7130, 7281, 8090, 8280, 8556, 9708, 10695, 11160, 12135, 12834, 14260, 14562, 16180, 17112, 18607, 19416, 21390, 24270, 25079, 25668, 28520, 29124, 32085, 32360, 36405, 37214, 42780, 48540, 50158, 51336, 55821, 58248, 64170, 72810, 74428, 75237, 85560, 93035, 97080, 100316, 111642, 125395, 128340, 145620, 148856, 150474, 167463, 186070, 200632, 223284, 225711, 250790, 256680, 279105, 291240, 300948, 334926, 372140, 376185, 446568, 451422, 501580, 558210, 576817, 601896, 669852, 744280, 752370, 837315, 902844, 1003160, 1116420, 1128555, 1153634, 1339704, 1504740, 1674630, 1730451, 1805688, 2232840, 2257110, 2307268, 2884085, 3009480, 3349260, 3460902, 4514220, 4614536, 5191353, 5768170, 6698520, 6921804, 8652255, 9028440, 10382706, 11536340, 13843608, 17304510, 20765412, 23072680, 25956765, 34609020, 41530824, 51913530, 69218040, 103827060, 207654120]

約数ペア:

[(1, 207654120), (2, 103827060), (3, 69218040), (4, 51913530), (5, 41530824), (6, 34609020), (8, 25956765), (9, 23072680), (10, 20765412), (12, 17304510), (15, 13843608), (18, 11536340), (20, 10382706), (23, 9028440), (24, 8652255), (30, 6921804), (31, 6698520), (36, 5768170), (40, 5191353), (45, 4614536), (46, 4514220), (60, 3460902), (62, 3349260), (69, 3009480), (72, 2884085), (90, 2307268), (92, 2257110), (93, 2232840), (115, 1805688), (120, 1730451), (124, 1674630), (138, 1504740), (155, 1339704), (180, 1153634), (184, 1128555), (186, 1116420), (207, 1003160), (230, 902844), (248, 837315), (276, 752370), (279, 744280), (310, 669852), (345, 601896), (360, 576817), (372, 558210), (414, 501580), (460, 451422), (465, 446568), (552, 376185), (558, 372140), (620, 334926), (690, 300948), (713, 291240), (744, 279105), (809, 256680), (828, 250790), (920, 225711), (930, 223284), (1035, 200632), (1116, 186070), (1240, 167463), (1380, 150474), (1395, 148856), (1426, 145620), (1618, 128340), (1656, 125395), (1860, 111642), (2070, 100316), (2139, 97080), (2232, 93035), (2427, 85560), (2760, 75237), (2790, 74428), (2852, 72810), (3236, 64170), (3565, 58248), (3720, 55821), (4045, 51336), (4140, 50158), (4278, 48540), (4854, 42780), (5580, 37214), (5704, 36405), (6417, 32360), (6472, 32085), (7130, 29124), (7281, 28520), (8090, 25668), (8280, 25079), (8556, 24270), (9708, 21390), (10695, 19416), (11160, 18607), (12135, 17112), (12834, 16180), (14260, 14562)]