259913920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 224

約数和(自身を含む): 772485120

約数和(自身を除く): 512571200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 64, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 160, 190, 197, 217, 224, 248, 266, 280, 304, 310, 320, 380, 394, 434, 448, 496, 532, 560, 589, 608, 620, 665, 760, 788, 868, 985, 992, 1064, 1085, 1120, 1178, 1216, 1240, 1330, 1379, 1520, 1576, 1736, 1970, 1984, 2128, 2170, 2240, 2356, 2480, 2660, 2758, 2945, 3040, 3152, 3472, 3743, 3940, 4123, 4256, 4340, 4712, 4960, 5320, 5516, 5890, 6080, 6107, 6304, 6895, 6944, 7486, 7880, 8246, 8512, 8680, 9424, 9920, 10640, 11032, 11780, 12214, 12608, 13790, 13888, 14972, 15760, 16492, 17360, 18715, 18848, 20615, 21280, 22064, 23560, 24428, 26201, 27580, 29944, 30535, 31520, 32984, 34720, 37430, 37696, 41230, 42560, 42749, 44128, 47120, 48856, 52402, 55160, 59888, 61070, 63040, 65968, 69440, 74860, 82460, 85498, 88256, 94240, 97712, 104804, 110320, 116033, 119776, 122140, 131005, 131936, 149720, 164920, 170996, 188480, 195424, 209608, 213745, 220640, 232066, 239552, 244280, 262010, 263872, 299440, 329840, 341992, 390848, 419216, 427490, 441280, 464132, 488560, 524020, 580165, 598880, 659680, 683984, 812231, 838432, 854980, 928264, 977120, 1048040, 1160330, 1197760, 1319360, 1367968, 1624462, 1676864, 1709960, 1856528, 1954240, 2096080, 2320660, 2735936, 3248924, 3419920, 3713056, 4061155, 4192160, 4641320, 6497848, 6839840, 7426112, 8122310, 8384320, 9282640, 12995696, 13679680, 16244620, 18565280, 25991392, 32489240, 37130560, 51982784, 64978480, 129956960, 259913920]

約数ペア:

[(1, 259913920), (2, 129956960), (4, 64978480), (5, 51982784), (7, 37130560), (8, 32489240), (10, 25991392), (14, 18565280), (16, 16244620), (19, 13679680), (20, 12995696), (28, 9282640), (31, 8384320), (32, 8122310), (35, 7426112), (38, 6839840), (40, 6497848), (56, 4641320), (62, 4192160), (64, 4061155), (70, 3713056), (76, 3419920), (80, 3248924), (95, 2735936), (112, 2320660), (124, 2096080), (133, 1954240), (140, 1856528), (152, 1709960), (155, 1676864), (160, 1624462), (190, 1367968), (197, 1319360), (217, 1197760), (224, 1160330), (248, 1048040), (266, 977120), (280, 928264), (304, 854980), (310, 838432), (320, 812231), (380, 683984), (394, 659680), (434, 598880), (448, 580165), (496, 524020), (532, 488560), (560, 464132), (589, 441280), (608, 427490), (620, 419216), (665, 390848), (760, 341992), (788, 329840), (868, 299440), (985, 263872), (992, 262010), (1064, 244280), (1085, 239552), (1120, 232066), (1178, 220640), (1216, 213745), (1240, 209608), (1330, 195424), (1379, 188480), (1520, 170996), (1576, 164920), (1736, 149720), (1970, 131936), (1984, 131005), (2128, 122140), (2170, 119776), (2240, 116033), (2356, 110320), (2480, 104804), (2660, 97712), (2758, 94240), (2945, 88256), (3040, 85498), (3152, 82460), (3472, 74860), (3743, 69440), (3940, 65968), (4123, 63040), (4256, 61070), (4340, 59888), (4712, 55160), (4960, 52402), (5320, 48856), (5516, 47120), (5890, 44128), (6080, 42749), (6107, 42560), (6304, 41230), (6895, 37696), (6944, 37430), (7486, 34720), (7880, 32984), (8246, 31520), (8512, 30535), (8680, 29944), (9424, 27580), (9920, 26201), (10640, 24428), (11032, 23560), (11780, 22064), (12214, 21280), (12608, 20615), (13790, 18848), (13888, 18715), (14972, 17360), (15760, 16492)]