277725280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 192

約数和(自身を含む): 816721920

約数和(自身を除く): 538996640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 160, 190, 217, 224, 248, 266, 280, 304, 310, 380, 421, 434, 496, 532, 560, 589, 608, 620, 665, 760, 842, 868, 992, 1064, 1085, 1120, 1178, 1240, 1330, 1520, 1684, 1736, 2105, 2128, 2170, 2356, 2480, 2660, 2945, 2947, 3040, 3368, 3472, 4123, 4210, 4256, 4340, 4712, 4960, 5320, 5890, 5894, 6736, 6944, 7999, 8246, 8420, 8680, 9424, 10640, 11780, 11788, 13051, 13472, 14735, 15998, 16492, 16840, 17360, 18848, 20615, 21280, 23560, 23576, 26102, 29470, 31996, 32984, 33680, 34720, 39995, 41230, 47120, 47152, 52204, 55993, 58940, 63992, 65255, 65968, 67360, 79990, 82460, 91357, 94240, 94304, 104408, 111986, 117880, 127984, 130510, 131936, 159980, 164920, 182714, 208816, 223972, 235760, 247969, 255968, 261020, 279965, 319960, 329840, 365428, 417632, 447944, 456785, 471520, 495938, 522040, 559930, 639920, 659680, 730856, 895888, 913570, 991876, 1044080, 1119860, 1239845, 1279840, 1461712, 1735783, 1791776, 1827140, 1983752, 2088160, 2239720, 2479690, 2923424, 3471566, 3654280, 3967504, 4479440, 4959380, 6943132, 7308560, 7935008, 8678915, 8958880, 9918760, 13886264, 14617120, 17357830, 19837520, 27772528, 34715660, 39675040, 55545056, 69431320, 138862640, 277725280]

約数ペア:

[(1, 277725280), (2, 138862640), (4, 69431320), (5, 55545056), (7, 39675040), (8, 34715660), (10, 27772528), (14, 19837520), (16, 17357830), (19, 14617120), (20, 13886264), (28, 9918760), (31, 8958880), (32, 8678915), (35, 7935008), (38, 7308560), (40, 6943132), (56, 4959380), (62, 4479440), (70, 3967504), (76, 3654280), (80, 3471566), (95, 2923424), (112, 2479690), (124, 2239720), (133, 2088160), (140, 1983752), (152, 1827140), (155, 1791776), (160, 1735783), (190, 1461712), (217, 1279840), (224, 1239845), (248, 1119860), (266, 1044080), (280, 991876), (304, 913570), (310, 895888), (380, 730856), (421, 659680), (434, 639920), (496, 559930), (532, 522040), (560, 495938), (589, 471520), (608, 456785), (620, 447944), (665, 417632), (760, 365428), (842, 329840), (868, 319960), (992, 279965), (1064, 261020), (1085, 255968), (1120, 247969), (1178, 235760), (1240, 223972), (1330, 208816), (1520, 182714), (1684, 164920), (1736, 159980), (2105, 131936), (2128, 130510), (2170, 127984), (2356, 117880), (2480, 111986), (2660, 104408), (2945, 94304), (2947, 94240), (3040, 91357), (3368, 82460), (3472, 79990), (4123, 67360), (4210, 65968), (4256, 65255), (4340, 63992), (4712, 58940), (4960, 55993), (5320, 52204), (5890, 47152), (5894, 47120), (6736, 41230), (6944, 39995), (7999, 34720), (8246, 33680), (8420, 32984), (8680, 31996), (9424, 29470), (10640, 26102), (11780, 23576), (11788, 23560), (13051, 21280), (13472, 20615), (14735, 18848), (15998, 17360), (16492, 16840)]