263549520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:830

約数の個数: 240

約数和(自身を含む): 980218512

約数和(自身を除く): 716668992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 48, 52, 60, 65, 72, 74, 78, 80, 90, 104, 111, 117, 120, 130, 144, 148, 156, 180, 185, 195, 208, 222, 234, 240, 260, 296, 312, 333, 360, 370, 390, 444, 468, 481, 520, 555, 585, 592, 624, 666, 720, 740, 761, 780, 888, 936, 962, 1040, 1110, 1170, 1332, 1443, 1480, 1522, 1560, 1665, 1776, 1872, 1924, 2220, 2283, 2340, 2405, 2664, 2886, 2960, 3044, 3120, 3330, 3805, 3848, 4329, 4440, 4566, 4680, 4810, 5328, 5772, 6088, 6660, 6849, 7215, 7610, 7696, 8658, 8880, 9132, 9360, 9620, 9893, 11415, 11544, 12176, 13320, 13698, 14430, 15220, 17316, 18264, 19240, 19786, 21645, 22830, 23088, 26640, 27396, 28157, 28860, 29679, 30440, 34245, 34632, 36528, 38480, 39572, 43290, 45660, 49465, 54792, 56314, 57720, 59358, 60880, 68490, 69264, 79144, 84471, 86580, 89037, 91320, 98930, 109584, 112628, 115440, 118716, 136980, 140785, 148395, 158288, 168942, 173160, 178074, 182640, 197860, 225256, 237432, 253413, 273960, 281570, 296790, 337884, 346320, 356148, 366041, 395720, 422355, 445185, 450512, 474864, 506826, 547920, 563140, 593580, 675768, 712296, 732082, 791440, 844710, 890370, 1013652, 1098123, 1126280, 1187160, 1267065, 1351536, 1424592, 1464164, 1689420, 1780740, 1830205, 2027304, 2196246, 2252560, 2374320, 2534130, 2928328, 3294369, 3378840, 3561480, 3660410, 4054608, 4392492, 5068260, 5490615, 5856656, 6588738, 6757680, 7122960, 7320820, 8784984, 10136520, 10981230, 13177476, 14641640, 16471845, 17569968, 20273040, 21962460, 26354952, 29283280, 32943690, 43924920, 52709904, 65887380, 87849840, 131774760, 263549520]

約数ペア:

[(1, 263549520), (2, 131774760), (3, 87849840), (4, 65887380), (5, 52709904), (6, 43924920), (8, 32943690), (9, 29283280), (10, 26354952), (12, 21962460), (13, 20273040), (15, 17569968), (16, 16471845), (18, 14641640), (20, 13177476), (24, 10981230), (26, 10136520), (30, 8784984), (36, 7320820), (37, 7122960), (39, 6757680), (40, 6588738), (45, 5856656), (48, 5490615), (52, 5068260), (60, 4392492), (65, 4054608), (72, 3660410), (74, 3561480), (78, 3378840), (80, 3294369), (90, 2928328), (104, 2534130), (111, 2374320), (117, 2252560), (120, 2196246), (130, 2027304), (144, 1830205), (148, 1780740), (156, 1689420), (180, 1464164), (185, 1424592), (195, 1351536), (208, 1267065), (222, 1187160), (234, 1126280), (240, 1098123), (260, 1013652), (296, 890370), (312, 844710), (333, 791440), (360, 732082), (370, 712296), (390, 675768), (444, 593580), (468, 563140), (481, 547920), (520, 506826), (555, 474864), (585, 450512), (592, 445185), (624, 422355), (666, 395720), (720, 366041), (740, 356148), (761, 346320), (780, 337884), (888, 296790), (936, 281570), (962, 273960), (1040, 253413), (1110, 237432), (1170, 225256), (1332, 197860), (1443, 182640), (1480, 178074), (1522, 173160), (1560, 168942), (1665, 158288), (1776, 148395), (1872, 140785), (1924, 136980), (2220, 118716), (2283, 115440), (2340, 112628), (2405, 109584), (2664, 98930), (2886, 91320), (2960, 89037), (3044, 86580), (3120, 84471), (3330, 79144), (3805, 69264), (3848, 68490), (4329, 60880), (4440, 59358), (4566, 57720), (4680, 56314), (4810, 54792), (5328, 49465), (5772, 45660), (6088, 43290), (6660, 39572), (6849, 38480), (7215, 36528), (7610, 34632), (7696, 34245), (8658, 30440), (8880, 29679), (9132, 28860), (9360, 28157), (9620, 27396), (9893, 26640), (11415, 23088), (11544, 22830), (12176, 21645), (13320, 19786), (13698, 19240), (14430, 18264), (15220, 17316)]