280995120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:592

約数の個数: 240

約数和(自身を含む): 1089454080

約数和(自身を除く): 808458960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 127, 140, 144, 168, 180, 210, 240, 252, 254, 280, 315, 336, 360, 381, 420, 439, 504, 508, 560, 630, 635, 720, 762, 840, 878, 889, 1008, 1016, 1143, 1260, 1270, 1317, 1524, 1680, 1756, 1778, 1905, 2032, 2195, 2286, 2520, 2540, 2634, 2667, 3048, 3073, 3512, 3556, 3810, 3951, 4390, 4445, 4572, 5040, 5080, 5268, 5334, 5715, 6096, 6146, 6585, 7024, 7112, 7620, 7902, 8001, 8780, 8890, 9144, 9219, 10160, 10536, 10668, 11430, 12292, 13170, 13335, 14224, 15240, 15365, 15804, 16002, 17560, 17780, 18288, 18438, 19755, 21072, 21336, 22860, 24584, 26340, 26670, 27657, 30480, 30730, 31608, 32004, 35120, 35560, 36876, 39510, 40005, 42672, 45720, 46095, 49168, 52680, 53340, 55314, 55753, 61460, 63216, 64008, 71120, 73752, 79020, 80010, 91440, 92190, 105360, 106680, 110628, 111506, 122920, 128016, 138285, 147504, 158040, 160020, 167259, 184380, 213360, 221256, 223012, 245840, 276570, 278765, 316080, 320040, 334518, 368760, 390271, 442512, 446024, 501777, 553140, 557530, 640080, 669036, 737520, 780542, 836295, 892048, 1003554, 1106280, 1115060, 1170813, 1338072, 1561084, 1672590, 1951355, 2007108, 2212560, 2230120, 2341626, 2508885, 2676144, 3122168, 3345180, 3512439, 3902710, 4014216, 4460240, 4683252, 5017770, 5854065, 6244336, 6690360, 7024878, 7805420, 8028432, 9366504, 10035540, 11708130, 13380720, 14049756, 15610840, 17562195, 18733008, 20071080, 23416260, 28099512, 31221680, 35124390, 40142160, 46832520, 56199024, 70248780, 93665040, 140497560, 280995120]

約数ペア:

[(1, 280995120), (2, 140497560), (3, 93665040), (4, 70248780), (5, 56199024), (6, 46832520), (7, 40142160), (8, 35124390), (9, 31221680), (10, 28099512), (12, 23416260), (14, 20071080), (15, 18733008), (16, 17562195), (18, 15610840), (20, 14049756), (21, 13380720), (24, 11708130), (28, 10035540), (30, 9366504), (35, 8028432), (36, 7805420), (40, 7024878), (42, 6690360), (45, 6244336), (48, 5854065), (56, 5017770), (60, 4683252), (63, 4460240), (70, 4014216), (72, 3902710), (80, 3512439), (84, 3345180), (90, 3122168), (105, 2676144), (112, 2508885), (120, 2341626), (126, 2230120), (127, 2212560), (140, 2007108), (144, 1951355), (168, 1672590), (180, 1561084), (210, 1338072), (240, 1170813), (252, 1115060), (254, 1106280), (280, 1003554), (315, 892048), (336, 836295), (360, 780542), (381, 737520), (420, 669036), (439, 640080), (504, 557530), (508, 553140), (560, 501777), (630, 446024), (635, 442512), (720, 390271), (762, 368760), (840, 334518), (878, 320040), (889, 316080), (1008, 278765), (1016, 276570), (1143, 245840), (1260, 223012), (1270, 221256), (1317, 213360), (1524, 184380), (1680, 167259), (1756, 160020), (1778, 158040), (1905, 147504), (2032, 138285), (2195, 128016), (2286, 122920), (2520, 111506), (2540, 110628), (2634, 106680), (2667, 105360), (3048, 92190), (3073, 91440), (3512, 80010), (3556, 79020), (3810, 73752), (3951, 71120), (4390, 64008), (4445, 63216), (4572, 61460), (5040, 55753), (5080, 55314), (5268, 53340), (5334, 52680), (5715, 49168), (6096, 46095), (6146, 45720), (6585, 42672), (7024, 40005), (7112, 39510), (7620, 36876), (7902, 35560), (8001, 35120), (8780, 32004), (8890, 31608), (9144, 30730), (9219, 30480), (10160, 27657), (10536, 26670), (10668, 26340), (11430, 24584), (12292, 22860), (13170, 21336), (13335, 21072), (14224, 19755), (15240, 18438), (15365, 18288), (15804, 17780), (16002, 17560)]