128625900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 216

約数和(自身を含む): 419348160

約数和(自身を除く): 290722260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 43, 50, 52, 59, 60, 65, 75, 78, 86, 100, 118, 129, 130, 150, 156, 169, 172, 177, 195, 215, 236, 258, 260, 295, 300, 325, 338, 354, 390, 430, 507, 516, 559, 590, 645, 650, 676, 708, 767, 780, 845, 860, 885, 975, 1014, 1075, 1118, 1180, 1290, 1300, 1475, 1534, 1677, 1690, 1770, 1950, 2028, 2150, 2236, 2301, 2535, 2537, 2580, 2795, 2950, 3068, 3225, 3354, 3380, 3540, 3835, 3900, 4225, 4300, 4425, 4602, 5070, 5074, 5590, 5900, 6450, 6708, 7267, 7611, 7670, 8385, 8450, 8850, 9204, 9971, 10140, 10148, 11180, 11505, 12675, 12685, 12900, 13975, 14534, 15222, 15340, 16770, 16900, 17700, 19175, 19942, 21801, 23010, 25350, 25370, 27950, 29068, 29913, 30444, 32981, 33540, 36335, 38055, 38350, 39884, 41925, 43602, 46020, 49855, 50700, 50740, 55900, 57525, 59826, 63425, 65962, 72670, 76110, 76700, 83850, 87204, 98943, 99710, 109005, 115050, 119652, 126850, 131924, 145340, 149565, 152220, 164905, 167700, 181675, 190275, 197886, 199420, 218010, 230100, 249275, 253700, 299130, 329810, 363350, 380550, 395772, 428753, 436020, 494715, 498550, 545025, 598260, 659620, 726700, 747825, 761100, 824525, 857506, 989430, 997100, 1090050, 1286259, 1495650, 1649050, 1715012, 1978860, 2143765, 2180100, 2473575, 2572518, 2991300, 3298100, 4287530, 4947150, 5145036, 6431295, 8575060, 9894300, 10718825, 12862590, 21437650, 25725180, 32156475, 42875300, 64312950, 128625900]

約数ペア:

[(1, 128625900), (2, 64312950), (3, 42875300), (4, 32156475), (5, 25725180), (6, 21437650), (10, 12862590), (12, 10718825), (13, 9894300), (15, 8575060), (20, 6431295), (25, 5145036), (26, 4947150), (30, 4287530), (39, 3298100), (43, 2991300), (50, 2572518), (52, 2473575), (59, 2180100), (60, 2143765), (65, 1978860), (75, 1715012), (78, 1649050), (86, 1495650), (100, 1286259), (118, 1090050), (129, 997100), (130, 989430), (150, 857506), (156, 824525), (169, 761100), (172, 747825), (177, 726700), (195, 659620), (215, 598260), (236, 545025), (258, 498550), (260, 494715), (295, 436020), (300, 428753), (325, 395772), (338, 380550), (354, 363350), (390, 329810), (430, 299130), (507, 253700), (516, 249275), (559, 230100), (590, 218010), (645, 199420), (650, 197886), (676, 190275), (708, 181675), (767, 167700), (780, 164905), (845, 152220), (860, 149565), (885, 145340), (975, 131924), (1014, 126850), (1075, 119652), (1118, 115050), (1180, 109005), (1290, 99710), (1300, 98943), (1475, 87204), (1534, 83850), (1677, 76700), (1690, 76110), (1770, 72670), (1950, 65962), (2028, 63425), (2150, 59826), (2236, 57525), (2301, 55900), (2535, 50740), (2537, 50700), (2580, 49855), (2795, 46020), (2950, 43602), (3068, 41925), (3225, 39884), (3354, 38350), (3380, 38055), (3540, 36335), (3835, 33540), (3900, 32981), (4225, 30444), (4300, 29913), (4425, 29068), (4602, 27950), (5070, 25370), (5074, 25350), (5590, 23010), (5900, 21801), (6450, 19942), (6708, 19175), (7267, 17700), (7611, 16900), (7670, 16770), (8385, 15340), (8450, 15222), (8850, 14534), (9204, 13975), (9971, 12900), (10140, 12685), (10148, 12675), (11180, 11505)]