257604360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4463}}^1$

素因数の和:4527

約数の個数: 128

約数和(自身を含む): 854945280

約数和(自身を除く): 597340920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2886, 3848, 4440, 4463, 4810, 5772, 7215, 8926, 9620, 11544, 13389, 14430, 17852, 19240, 22315, 26778, 28860, 35704, 44630, 53556, 57720, 58019, 66945, 89260, 107112, 116038, 133890, 165131, 174057, 178520, 232076, 267780, 290095, 330262, 348114, 464152, 495393, 535560, 580190, 660524, 696228, 825655, 870285, 990786, 1160380, 1321048, 1392456, 1651310, 1740570, 1981572, 2146703, 2320760, 2476965, 3302620, 3481140, 3963144, 4293406, 4953930, 6440109, 6605240, 6962280, 8586812, 9907860, 10733515, 12880218, 17173624, 19815720, 21467030, 25760436, 32200545, 42934060, 51520872, 64401090, 85868120, 128802180, 257604360]

約数ペア:

[(1, 257604360), (2, 128802180), (3, 85868120), (4, 64401090), (5, 51520872), (6, 42934060), (8, 32200545), (10, 25760436), (12, 21467030), (13, 19815720), (15, 17173624), (20, 12880218), (24, 10733515), (26, 9907860), (30, 8586812), (37, 6962280), (39, 6605240), (40, 6440109), (52, 4953930), (60, 4293406), (65, 3963144), (74, 3481140), (78, 3302620), (104, 2476965), (111, 2320760), (120, 2146703), (130, 1981572), (148, 1740570), (156, 1651310), (185, 1392456), (195, 1321048), (222, 1160380), (260, 990786), (296, 870285), (312, 825655), (370, 696228), (390, 660524), (444, 580190), (481, 535560), (520, 495393), (555, 464152), (740, 348114), (780, 330262), (888, 290095), (962, 267780), (1110, 232076), (1443, 178520), (1480, 174057), (1560, 165131), (1924, 133890), (2220, 116038), (2405, 107112), (2886, 89260), (3848, 66945), (4440, 58019), (4463, 57720), (4810, 53556), (5772, 44630), (7215, 35704), (8926, 28860), (9620, 26778), (11544, 22315), (13389, 19240), (14430, 17852)]