261240120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:507

約数の個数: 256

約数和(自身を含む): 950400000

約数和(自身を除く): 689159880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 29, 30, 36, 38, 40, 45, 54, 57, 58, 60, 72, 76, 87, 90, 95, 108, 114, 116, 120, 135, 145, 152, 171, 174, 180, 190, 216, 228, 232, 261, 270, 285, 290, 342, 348, 360, 380, 435, 439, 456, 513, 522, 540, 551, 570, 580, 684, 696, 760, 783, 855, 870, 878, 1026, 1044, 1080, 1102, 1140, 1160, 1305, 1317, 1368, 1566, 1653, 1710, 1740, 1756, 2052, 2088, 2195, 2204, 2280, 2565, 2610, 2634, 2755, 3132, 3306, 3420, 3480, 3512, 3915, 3951, 4104, 4390, 4408, 4959, 5130, 5220, 5268, 5510, 6264, 6585, 6612, 6840, 7830, 7902, 8265, 8341, 8780, 9918, 10260, 10440, 10536, 11020, 11853, 12731, 13170, 13224, 14877, 15660, 15804, 16530, 16682, 17560, 19755, 19836, 20520, 22040, 23706, 24795, 25023, 25462, 26340, 29754, 31320, 31608, 33060, 33364, 38193, 39510, 39672, 41705, 47412, 49590, 50046, 50924, 52680, 59265, 59508, 63655, 66120, 66728, 74385, 75069, 76386, 79020, 83410, 94824, 99180, 100092, 101848, 114579, 118530, 119016, 125115, 127310, 148770, 150138, 152772, 158040, 166820, 190965, 198360, 200184, 225207, 229158, 237060, 241889, 250230, 254620, 297540, 300276, 305544, 333640, 343737, 375345, 381930, 450414, 458316, 474120, 483778, 500460, 509240, 572895, 595080, 600552, 687474, 725667, 750690, 763860, 900828, 916632, 967556, 1000920, 1126035, 1145790, 1209445, 1374948, 1451334, 1501380, 1527720, 1718685, 1801656, 1935112, 2177001, 2252070, 2291580, 2418890, 2749896, 2902668, 3002760, 3437370, 3628335, 4354002, 4504140, 4583160, 4837780, 5805336, 6531003, 6874740, 7256670, 8708004, 9008280, 9675560, 10885005, 13062006, 13749480, 14513340, 17416008, 21770010, 26124012, 29026680, 32655015, 43540020, 52248024, 65310030, 87080040, 130620060, 261240120]

約数ペア:

[(1, 261240120), (2, 130620060), (3, 87080040), (4, 65310030), (5, 52248024), (6, 43540020), (8, 32655015), (9, 29026680), (10, 26124012), (12, 21770010), (15, 17416008), (18, 14513340), (19, 13749480), (20, 13062006), (24, 10885005), (27, 9675560), (29, 9008280), (30, 8708004), (36, 7256670), (38, 6874740), (40, 6531003), (45, 5805336), (54, 4837780), (57, 4583160), (58, 4504140), (60, 4354002), (72, 3628335), (76, 3437370), (87, 3002760), (90, 2902668), (95, 2749896), (108, 2418890), (114, 2291580), (116, 2252070), (120, 2177001), (135, 1935112), (145, 1801656), (152, 1718685), (171, 1527720), (174, 1501380), (180, 1451334), (190, 1374948), (216, 1209445), (228, 1145790), (232, 1126035), (261, 1000920), (270, 967556), (285, 916632), (290, 900828), (342, 763860), (348, 750690), (360, 725667), (380, 687474), (435, 600552), (439, 595080), (456, 572895), (513, 509240), (522, 500460), (540, 483778), (551, 474120), (570, 458316), (580, 450414), (684, 381930), (696, 375345), (760, 343737), (783, 333640), (855, 305544), (870, 300276), (878, 297540), (1026, 254620), (1044, 250230), (1080, 241889), (1102, 237060), (1140, 229158), (1160, 225207), (1305, 200184), (1317, 198360), (1368, 190965), (1566, 166820), (1653, 158040), (1710, 152772), (1740, 150138), (1756, 148770), (2052, 127310), (2088, 125115), (2195, 119016), (2204, 118530), (2280, 114579), (2565, 101848), (2610, 100092), (2634, 99180), (2755, 94824), (3132, 83410), (3306, 79020), (3420, 76386), (3480, 75069), (3512, 74385), (3915, 66728), (3951, 66120), (4104, 63655), (4390, 59508), (4408, 59265), (4959, 52680), (5130, 50924), (5220, 50046), (5268, 49590), (5510, 47412), (6264, 41705), (6585, 39672), (6612, 39510), (6840, 38193), (7830, 33364), (7902, 33060), (8265, 31608), (8341, 31320), (8780, 29754), (9918, 26340), (10260, 25462), (10440, 25023), (10536, 24795), (11020, 23706), (11853, 22040), (12731, 20520), (13170, 19836), (13224, 19755), (14877, 17560), (15660, 16682), (15804, 16530)]