253905840

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:418

約数の個数: 240

約数和(自身を含む): 910754208

約数和(自身を除く): 656848368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 108, 111, 120, 135, 144, 148, 162, 180, 185, 216, 222, 240, 243, 270, 296, 324, 333, 353, 360, 370, 405, 432, 444, 486, 540, 555, 592, 648, 666, 706, 720, 740, 810, 888, 972, 999, 1059, 1080, 1110, 1215, 1296, 1332, 1412, 1480, 1620, 1665, 1765, 1776, 1944, 1998, 2118, 2160, 2220, 2430, 2664, 2824, 2960, 2997, 3177, 3240, 3330, 3530, 3888, 3996, 4236, 4440, 4860, 4995, 5295, 5328, 5648, 5994, 6354, 6480, 6660, 7060, 7992, 8472, 8880, 8991, 9531, 9720, 9990, 10590, 11988, 12708, 13061, 13320, 14120, 14985, 15885, 15984, 16944, 17982, 19062, 19440, 19980, 21180, 23976, 25416, 26122, 26640, 28240, 28593, 29970, 31770, 35964, 38124, 39183, 39960, 42360, 44955, 47655, 47952, 50832, 52244, 57186, 59940, 63540, 65305, 71928, 76248, 78366, 79920, 84720, 85779, 89910, 95310, 104488, 114372, 117549, 119880, 127080, 130610, 142965, 143856, 152496, 156732, 171558, 179820, 190620, 195915, 208976, 228744, 235098, 239760, 254160, 261220, 285930, 313464, 343116, 352647, 359640, 381240, 391830, 428895, 457488, 470196, 522440, 571860, 587745, 626928, 686232, 705294, 719280, 762480, 783660, 857790, 940392, 1044880, 1057941, 1143720, 1175490, 1372464, 1410588, 1567320, 1715580, 1763235, 1880784, 2115882, 2287440, 2350980, 2821176, 3134640, 3173823, 3431160, 3526470, 4231764, 4701960, 5289705, 5642352, 6347646, 6862320, 7052940, 8463528, 9403920, 10579410, 12695292, 14105880, 15869115, 16927056, 21158820, 25390584, 28211760, 31738230, 42317640, 50781168, 63476460, 84635280, 126952920, 253905840]

約数ペア:

[(1, 253905840), (2, 126952920), (3, 84635280), (4, 63476460), (5, 50781168), (6, 42317640), (8, 31738230), (9, 28211760), (10, 25390584), (12, 21158820), (15, 16927056), (16, 15869115), (18, 14105880), (20, 12695292), (24, 10579410), (27, 9403920), (30, 8463528), (36, 7052940), (37, 6862320), (40, 6347646), (45, 5642352), (48, 5289705), (54, 4701960), (60, 4231764), (72, 3526470), (74, 3431160), (80, 3173823), (81, 3134640), (90, 2821176), (108, 2350980), (111, 2287440), (120, 2115882), (135, 1880784), (144, 1763235), (148, 1715580), (162, 1567320), (180, 1410588), (185, 1372464), (216, 1175490), (222, 1143720), (240, 1057941), (243, 1044880), (270, 940392), (296, 857790), (324, 783660), (333, 762480), (353, 719280), (360, 705294), (370, 686232), (405, 626928), (432, 587745), (444, 571860), (486, 522440), (540, 470196), (555, 457488), (592, 428895), (648, 391830), (666, 381240), (706, 359640), (720, 352647), (740, 343116), (810, 313464), (888, 285930), (972, 261220), (999, 254160), (1059, 239760), (1080, 235098), (1110, 228744), (1215, 208976), (1296, 195915), (1332, 190620), (1412, 179820), (1480, 171558), (1620, 156732), (1665, 152496), (1765, 143856), (1776, 142965), (1944, 130610), (1998, 127080), (2118, 119880), (2160, 117549), (2220, 114372), (2430, 104488), (2664, 95310), (2824, 89910), (2960, 85779), (2997, 84720), (3177, 79920), (3240, 78366), (3330, 76248), (3530, 71928), (3888, 65305), (3996, 63540), (4236, 59940), (4440, 57186), (4860, 52244), (4995, 50832), (5295, 47952), (5328, 47655), (5648, 44955), (5994, 42360), (6354, 39960), (6480, 39183), (6660, 38124), (7060, 35964), (7992, 31770), (8472, 29970), (8880, 28593), (8991, 28240), (9531, 26640), (9720, 26122), (9990, 25416), (10590, 23976), (11988, 21180), (12708, 19980), (13061, 19440), (13320, 19062), (14120, 17982), (14985, 16944), (15885, 15984)]