65236640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 183830472

約数和(自身を除く): 118593832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 157, 160, 196, 212, 224, 245, 265, 280, 314, 371, 392, 424, 490, 530, 560, 628, 742, 784, 785, 848, 980, 1060, 1099, 1120, 1256, 1484, 1568, 1570, 1696, 1855, 1960, 2120, 2198, 2512, 2597, 2968, 3140, 3710, 3920, 4240, 4396, 5024, 5194, 5495, 5936, 6280, 7420, 7693, 7840, 8321, 8480, 8792, 10388, 10990, 11872, 12560, 12985, 14840, 15386, 16642, 17584, 20776, 21980, 25120, 25970, 29680, 30772, 33284, 35168, 38465, 41552, 41605, 43960, 51940, 58247, 59360, 61544, 66568, 76930, 83104, 83210, 87920, 103880, 116494, 123088, 133136, 153860, 166420, 175840, 207760, 232988, 246176, 266272, 291235, 307720, 332840, 407729, 415520, 465976, 582470, 615440, 665680, 815458, 931952, 1164940, 1230880, 1331360, 1630916, 1863904, 2038645, 2329880, 3261832, 4077290, 4659760, 6523664, 8154580, 9319520, 13047328, 16309160, 32618320, 65236640]

約数ペア:

[(1, 65236640), (2, 32618320), (4, 16309160), (5, 13047328), (7, 9319520), (8, 8154580), (10, 6523664), (14, 4659760), (16, 4077290), (20, 3261832), (28, 2329880), (32, 2038645), (35, 1863904), (40, 1630916), (49, 1331360), (53, 1230880), (56, 1164940), (70, 931952), (80, 815458), (98, 665680), (106, 615440), (112, 582470), (140, 465976), (157, 415520), (160, 407729), (196, 332840), (212, 307720), (224, 291235), (245, 266272), (265, 246176), (280, 232988), (314, 207760), (371, 175840), (392, 166420), (424, 153860), (490, 133136), (530, 123088), (560, 116494), (628, 103880), (742, 87920), (784, 83210), (785, 83104), (848, 76930), (980, 66568), (1060, 61544), (1099, 59360), (1120, 58247), (1256, 51940), (1484, 43960), (1568, 41605), (1570, 41552), (1696, 38465), (1855, 35168), (1960, 33284), (2120, 30772), (2198, 29680), (2512, 25970), (2597, 25120), (2968, 21980), (3140, 20776), (3710, 17584), (3920, 16642), (4240, 15386), (4396, 14840), (5024, 12985), (5194, 12560), (5495, 11872), (5936, 10990), (6280, 10388), (7420, 8792), (7693, 8480), (7840, 8321)]