81939000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:239

約数の個数: 256

約数和(自身を含む): 301916160

約数和(自身を除く): 219977160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 25, 26, 30, 33, 39, 40, 44, 50, 52, 55, 60, 65, 66, 75, 78, 88, 100, 104, 110, 120, 125, 130, 132, 143, 150, 156, 165, 191, 195, 200, 220, 250, 260, 264, 275, 286, 300, 312, 325, 330, 375, 382, 390, 429, 440, 500, 520, 550, 572, 573, 600, 650, 660, 715, 750, 764, 780, 825, 858, 955, 975, 1000, 1100, 1144, 1146, 1300, 1320, 1375, 1430, 1500, 1528, 1560, 1625, 1650, 1716, 1910, 1950, 2101, 2145, 2200, 2292, 2483, 2600, 2750, 2860, 2865, 3000, 3250, 3300, 3432, 3575, 3820, 3900, 4125, 4202, 4290, 4584, 4775, 4875, 4966, 5500, 5720, 5730, 6303, 6500, 6600, 7150, 7449, 7640, 7800, 8250, 8404, 8580, 9550, 9750, 9932, 10505, 10725, 11000, 11460, 12415, 12606, 13000, 14300, 14325, 14898, 16500, 16808, 17160, 17875, 19100, 19500, 19864, 21010, 21450, 22920, 23875, 24830, 25212, 27313, 28600, 28650, 29796, 31515, 33000, 35750, 37245, 38200, 39000, 42020, 42900, 47750, 49660, 50424, 52525, 53625, 54626, 57300, 59592, 62075, 63030, 71500, 71625, 74490, 81939, 84040, 85800, 95500, 99320, 105050, 107250, 109252, 114600, 124150, 126060, 136565, 143000, 143250, 148980, 157575, 163878, 186225, 191000, 210100, 214500, 218504, 248300, 252120, 262625, 273130, 286500, 297960, 310375, 315150, 327756, 372450, 409695, 420200, 429000, 496600, 525250, 546260, 573000, 620750, 630300, 655512, 682825, 744900, 787875, 819390, 931125, 1050500, 1092520, 1241500, 1260600, 1365650, 1489800, 1575750, 1638780, 1862250, 2048475, 2101000, 2483000, 2731300, 3151500, 3277560, 3414125, 3724500, 4096950, 5462600, 6303000, 6828250, 7449000, 8193900, 10242375, 13656500, 16387800, 20484750, 27313000, 40969500, 81939000]

約数ペア:

[(1, 81939000), (2, 40969500), (3, 27313000), (4, 20484750), (5, 16387800), (6, 13656500), (8, 10242375), (10, 8193900), (11, 7449000), (12, 6828250), (13, 6303000), (15, 5462600), (20, 4096950), (22, 3724500), (24, 3414125), (25, 3277560), (26, 3151500), (30, 2731300), (33, 2483000), (39, 2101000), (40, 2048475), (44, 1862250), (50, 1638780), (52, 1575750), (55, 1489800), (60, 1365650), (65, 1260600), (66, 1241500), (75, 1092520), (78, 1050500), (88, 931125), (100, 819390), (104, 787875), (110, 744900), (120, 682825), (125, 655512), (130, 630300), (132, 620750), (143, 573000), (150, 546260), (156, 525250), (165, 496600), (191, 429000), (195, 420200), (200, 409695), (220, 372450), (250, 327756), (260, 315150), (264, 310375), (275, 297960), (286, 286500), (300, 273130), (312, 262625), (325, 252120), (330, 248300), (375, 218504), (382, 214500), (390, 210100), (429, 191000), (440, 186225), (500, 163878), (520, 157575), (550, 148980), (572, 143250), (573, 143000), (600, 136565), (650, 126060), (660, 124150), (715, 114600), (750, 109252), (764, 107250), (780, 105050), (825, 99320), (858, 95500), (955, 85800), (975, 84040), (1000, 81939), (1100, 74490), (1144, 71625), (1146, 71500), (1300, 63030), (1320, 62075), (1375, 59592), (1430, 57300), (1500, 54626), (1528, 53625), (1560, 52525), (1625, 50424), (1650, 49660), (1716, 47750), (1910, 42900), (1950, 42020), (2101, 39000), (2145, 38200), (2200, 37245), (2292, 35750), (2483, 33000), (2600, 31515), (2750, 29796), (2860, 28650), (2865, 28600), (3000, 27313), (3250, 25212), (3300, 24830), (3432, 23875), (3575, 22920), (3820, 21450), (3900, 21010), (4125, 19864), (4202, 19500), (4290, 19100), (4584, 17875), (4775, 17160), (4875, 16808), (4966, 16500), (5500, 14898), (5720, 14325), (5730, 14300), (6303, 13000), (6500, 12606), (6600, 12415), (7150, 11460), (7449, 11000), (7640, 10725), (7800, 10505), (8250, 9932), (8404, 9750), (8580, 9550)]