1289877720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:834

約数の個数: 256

約数和(自身を含む): 4396861440

約数和(自身を除く): 3106983720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 37, 40, 46, 51, 60, 68, 69, 74, 85, 92, 102, 111, 115, 120, 136, 138, 148, 170, 184, 185, 204, 222, 230, 255, 276, 296, 340, 345, 370, 391, 408, 444, 460, 510, 552, 555, 629, 680, 690, 740, 743, 782, 851, 888, 920, 1020, 1110, 1173, 1258, 1380, 1480, 1486, 1564, 1702, 1887, 1955, 2040, 2220, 2229, 2346, 2516, 2553, 2760, 2972, 3128, 3145, 3404, 3715, 3774, 3910, 4255, 4440, 4458, 4692, 5032, 5106, 5865, 5944, 6290, 6808, 7430, 7548, 7820, 8510, 8916, 9384, 9435, 10212, 11145, 11730, 12580, 12631, 12765, 14467, 14860, 15096, 15640, 17020, 17089, 17832, 18870, 20424, 22290, 23460, 25160, 25262, 25530, 27491, 28934, 29720, 34040, 34178, 37740, 37893, 43401, 44580, 46920, 50524, 51060, 51267, 54982, 57868, 63155, 68356, 72335, 75480, 75786, 82473, 85445, 86802, 89160, 101048, 102120, 102534, 109964, 115736, 126310, 136712, 137455, 144670, 151572, 164946, 170890, 173604, 189465, 205068, 217005, 219928, 252620, 256335, 274910, 289340, 290513, 303144, 329892, 341780, 347208, 378930, 410136, 412365, 434010, 467347, 505240, 512670, 549820, 578680, 581026, 632293, 659784, 683560, 757860, 824730, 868020, 871539, 934694, 1025340, 1099640, 1162052, 1264586, 1402041, 1452565, 1515720, 1649460, 1736040, 1743078, 1869388, 1896879, 2050680, 2324104, 2336735, 2529172, 2804082, 2905130, 3161465, 3298920, 3486156, 3738776, 3793758, 4357695, 4673470, 5058344, 5608164, 5810260, 6322930, 6972312, 7010205, 7587516, 8715390, 9346940, 9484395, 10748981, 11216328, 11620520, 12645860, 14020410, 15175032, 17430780, 18693880, 18968790, 21497962, 25291720, 28040820, 32246943, 34861560, 37937580, 42995924, 53744905, 56081640, 64493886, 75875160, 85991848, 107489810, 128987772, 161234715, 214979620, 257975544, 322469430, 429959240, 644938860, 1289877720]

約数ペア:

[(1, 1289877720), (2, 644938860), (3, 429959240), (4, 322469430), (5, 257975544), (6, 214979620), (8, 161234715), (10, 128987772), (12, 107489810), (15, 85991848), (17, 75875160), (20, 64493886), (23, 56081640), (24, 53744905), (30, 42995924), (34, 37937580), (37, 34861560), (40, 32246943), (46, 28040820), (51, 25291720), (60, 21497962), (68, 18968790), (69, 18693880), (74, 17430780), (85, 15175032), (92, 14020410), (102, 12645860), (111, 11620520), (115, 11216328), (120, 10748981), (136, 9484395), (138, 9346940), (148, 8715390), (170, 7587516), (184, 7010205), (185, 6972312), (204, 6322930), (222, 5810260), (230, 5608164), (255, 5058344), (276, 4673470), (296, 4357695), (340, 3793758), (345, 3738776), (370, 3486156), (391, 3298920), (408, 3161465), (444, 2905130), (460, 2804082), (510, 2529172), (552, 2336735), (555, 2324104), (629, 2050680), (680, 1896879), (690, 1869388), (740, 1743078), (743, 1736040), (782, 1649460), (851, 1515720), (888, 1452565), (920, 1402041), (1020, 1264586), (1110, 1162052), (1173, 1099640), (1258, 1025340), (1380, 934694), (1480, 871539), (1486, 868020), (1564, 824730), (1702, 757860), (1887, 683560), (1955, 659784), (2040, 632293), (2220, 581026), (2229, 578680), (2346, 549820), (2516, 512670), (2553, 505240), (2760, 467347), (2972, 434010), (3128, 412365), (3145, 410136), (3404, 378930), (3715, 347208), (3774, 341780), (3910, 329892), (4255, 303144), (4440, 290513), (4458, 289340), (4692, 274910), (5032, 256335), (5106, 252620), (5865, 219928), (5944, 217005), (6290, 205068), (6808, 189465), (7430, 173604), (7548, 170890), (7820, 164946), (8510, 151572), (8916, 144670), (9384, 137455), (9435, 136712), (10212, 126310), (11145, 115736), (11730, 109964), (12580, 102534), (12631, 102120), (12765, 101048), (14467, 89160), (14860, 86802), (15096, 85445), (15640, 82473), (17020, 75786), (17089, 75480), (17832, 72335), (18870, 68356), (20424, 63155), (22290, 57868), (23460, 54982), (25160, 51267), (25262, 51060), (25530, 50524), (27491, 46920), (28934, 44580), (29720, 43401), (34040, 37893), (34178, 37740)]