81071640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1019}}^1$

素因数の和:1066

約数の個数: 192

約数和(自身を含む): 300736800

約数和(自身を除く): 219665160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 884, 936, 1019, 1020, 1105, 1170, 1224, 1326, 1530, 1560, 1768, 1989, 2038, 2040, 2210, 2340, 2652, 3057, 3060, 3315, 3978, 4076, 4420, 4680, 5095, 5304, 6114, 6120, 6630, 7956, 8152, 8840, 9171, 9945, 10190, 12228, 13247, 13260, 15285, 15912, 17323, 18342, 19890, 20380, 24456, 26494, 26520, 30570, 34646, 36684, 39741, 39780, 40760, 45855, 51969, 52988, 61140, 66235, 69292, 73368, 79482, 79560, 86615, 91710, 103938, 105976, 119223, 122280, 132470, 138584, 155907, 158964, 173230, 183420, 198705, 207876, 225199, 238446, 259845, 264940, 311814, 317928, 346460, 366840, 397410, 415752, 450398, 476892, 519690, 529880, 596115, 623628, 675597, 692920, 779535, 794820, 900796, 953784, 1039380, 1125995, 1192230, 1247256, 1351194, 1559070, 1589640, 1801592, 2026791, 2078760, 2251990, 2384460, 2702388, 3118140, 3377985, 4053582, 4503980, 4768920, 5404776, 6236280, 6755970, 8107164, 9007960, 10133955, 13511940, 16214328, 20267910, 27023880, 40535820, 81071640]

約数ペア:

[(1, 81071640), (2, 40535820), (3, 27023880), (4, 20267910), (5, 16214328), (6, 13511940), (8, 10133955), (9, 9007960), (10, 8107164), (12, 6755970), (13, 6236280), (15, 5404776), (17, 4768920), (18, 4503980), (20, 4053582), (24, 3377985), (26, 3118140), (30, 2702388), (34, 2384460), (36, 2251990), (39, 2078760), (40, 2026791), (45, 1801592), (51, 1589640), (52, 1559070), (60, 1351194), (65, 1247256), (68, 1192230), (72, 1125995), (78, 1039380), (85, 953784), (90, 900796), (102, 794820), (104, 779535), (117, 692920), (120, 675597), (130, 623628), (136, 596115), (153, 529880), (156, 519690), (170, 476892), (180, 450398), (195, 415752), (204, 397410), (221, 366840), (234, 346460), (255, 317928), (260, 311814), (306, 264940), (312, 259845), (340, 238446), (360, 225199), (390, 207876), (408, 198705), (442, 183420), (468, 173230), (510, 158964), (520, 155907), (585, 138584), (612, 132470), (663, 122280), (680, 119223), (765, 105976), (780, 103938), (884, 91710), (936, 86615), (1019, 79560), (1020, 79482), (1105, 73368), (1170, 69292), (1224, 66235), (1326, 61140), (1530, 52988), (1560, 51969), (1768, 45855), (1989, 40760), (2038, 39780), (2040, 39741), (2210, 36684), (2340, 34646), (2652, 30570), (3057, 26520), (3060, 26494), (3315, 24456), (3978, 20380), (4076, 19890), (4420, 18342), (4680, 17323), (5095, 15912), (5304, 15285), (6114, 13260), (6120, 13247), (6630, 12228), (7956, 10190), (8152, 9945), (8840, 9171)]