257030280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18307}}^1$

素因数の和:18340

約数の個数: 128

約数和(自身を含む): 922723200

約数和(自身を除く): 665692920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 18307, 36614, 54921, 73228, 91535, 109842, 146456, 164763, 183070, 219684, 237991, 274605, 329526, 366140, 439368, 475982, 494289, 549210, 659052, 713973, 732280, 823815, 951964, 988578, 1098420, 1189955, 1318104, 1427946, 1647630, 1903928, 1977156, 2141919, 2196840, 2379910, 2471445, 2855892, 3295260, 3569865, 3954312, 4283838, 4759820, 4942890, 5711784, 6425757, 6590520, 7139730, 8567676, 9519640, 9885780, 10709595, 12851514, 14279460, 17135352, 19771560, 21419190, 25703028, 28558920, 32128785, 42838380, 51406056, 64257570, 85676760, 128515140, 257030280]

約数ペア:

[(1, 257030280), (2, 128515140), (3, 85676760), (4, 64257570), (5, 51406056), (6, 42838380), (8, 32128785), (9, 28558920), (10, 25703028), (12, 21419190), (13, 19771560), (15, 17135352), (18, 14279460), (20, 12851514), (24, 10709595), (26, 9885780), (27, 9519640), (30, 8567676), (36, 7139730), (39, 6590520), (40, 6425757), (45, 5711784), (52, 4942890), (54, 4759820), (60, 4283838), (65, 3954312), (72, 3569865), (78, 3295260), (90, 2855892), (104, 2471445), (108, 2379910), (117, 2196840), (120, 2141919), (130, 1977156), (135, 1903928), (156, 1647630), (180, 1427946), (195, 1318104), (216, 1189955), (234, 1098420), (260, 988578), (270, 951964), (312, 823815), (351, 732280), (360, 713973), (390, 659052), (468, 549210), (520, 494289), (540, 475982), (585, 439368), (702, 366140), (780, 329526), (936, 274605), (1080, 237991), (1170, 219684), (1404, 183070), (1560, 164763), (1755, 146456), (2340, 109842), (2808, 91535), (3510, 73228), (4680, 54921), (7020, 36614), (14040, 18307)]