64438560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:707

約数の個数: 144

約数和(自身を含む): 223272504

約数和(自身を除く): 158833944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 73, 80, 90, 96, 120, 144, 146, 160, 180, 219, 240, 288, 292, 360, 365, 438, 480, 584, 613, 657, 720, 730, 876, 1095, 1168, 1226, 1314, 1440, 1460, 1752, 1839, 2190, 2336, 2452, 2628, 2920, 3065, 3285, 3504, 3678, 4380, 4904, 5256, 5517, 5840, 6130, 6570, 7008, 7356, 8760, 9195, 9808, 10512, 11034, 11680, 12260, 13140, 14712, 17520, 18390, 19616, 21024, 22068, 24520, 26280, 27585, 29424, 35040, 36780, 44136, 44749, 49040, 52560, 55170, 58848, 73560, 88272, 89498, 98080, 105120, 110340, 134247, 147120, 176544, 178996, 220680, 223745, 268494, 294240, 357992, 402741, 441360, 447490, 536988, 671235, 715984, 805482, 882720, 894980, 1073976, 1342470, 1431968, 1610964, 1789960, 2013705, 2147952, 2684940, 3221928, 3579920, 4027410, 4295904, 5369880, 6443856, 7159840, 8054820, 10739760, 12887712, 16109640, 21479520, 32219280, 64438560]

約数ペア:

[(1, 64438560), (2, 32219280), (3, 21479520), (4, 16109640), (5, 12887712), (6, 10739760), (8, 8054820), (9, 7159840), (10, 6443856), (12, 5369880), (15, 4295904), (16, 4027410), (18, 3579920), (20, 3221928), (24, 2684940), (30, 2147952), (32, 2013705), (36, 1789960), (40, 1610964), (45, 1431968), (48, 1342470), (60, 1073976), (72, 894980), (73, 882720), (80, 805482), (90, 715984), (96, 671235), (120, 536988), (144, 447490), (146, 441360), (160, 402741), (180, 357992), (219, 294240), (240, 268494), (288, 223745), (292, 220680), (360, 178996), (365, 176544), (438, 147120), (480, 134247), (584, 110340), (613, 105120), (657, 98080), (720, 89498), (730, 88272), (876, 73560), (1095, 58848), (1168, 55170), (1226, 52560), (1314, 49040), (1440, 44749), (1460, 44136), (1752, 36780), (1839, 35040), (2190, 29424), (2336, 27585), (2452, 26280), (2628, 24520), (2920, 22068), (3065, 21024), (3285, 19616), (3504, 18390), (3678, 17520), (4380, 14712), (4904, 13140), (5256, 12260), (5517, 11680), (5840, 11034), (6130, 10512), (6570, 9808), (7008, 9195), (7356, 8760)]