66180400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 180

約数和(自身を含む): 189932040

約数和(自身を除く): 123751640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 80, 88, 89, 100, 104, 110, 130, 143, 169, 176, 178, 200, 208, 220, 260, 275, 286, 325, 338, 356, 400, 440, 445, 520, 550, 572, 650, 676, 712, 715, 845, 880, 890, 979, 1040, 1100, 1144, 1157, 1300, 1352, 1424, 1430, 1690, 1780, 1859, 1958, 2200, 2225, 2288, 2314, 2600, 2704, 2860, 3380, 3560, 3575, 3718, 3916, 4225, 4400, 4450, 4628, 4895, 5200, 5720, 5785, 6760, 7120, 7150, 7436, 7832, 8450, 8900, 9256, 9295, 9790, 11440, 11570, 12727, 13520, 14300, 14872, 15041, 15664, 16900, 17800, 18512, 18590, 19580, 23140, 24475, 25454, 28600, 28925, 29744, 30082, 33800, 35600, 37180, 39160, 46280, 46475, 48950, 50908, 57200, 57850, 60164, 63635, 67600, 74360, 75205, 78320, 92560, 92950, 97900, 101816, 115700, 120328, 127270, 148720, 150410, 165451, 185900, 195800, 203632, 231400, 240656, 254540, 300820, 318175, 330902, 371800, 376025, 391600, 462800, 509080, 601640, 636350, 661804, 743600, 752050, 827255, 1018160, 1203280, 1272700, 1323608, 1504100, 1654510, 2545400, 2647216, 3008200, 3309020, 4136275, 5090800, 6016400, 6618040, 8272550, 13236080, 16545100, 33090200, 66180400]

約数ペア:

[(1, 66180400), (2, 33090200), (4, 16545100), (5, 13236080), (8, 8272550), (10, 6618040), (11, 6016400), (13, 5090800), (16, 4136275), (20, 3309020), (22, 3008200), (25, 2647216), (26, 2545400), (40, 1654510), (44, 1504100), (50, 1323608), (52, 1272700), (55, 1203280), (65, 1018160), (80, 827255), (88, 752050), (89, 743600), (100, 661804), (104, 636350), (110, 601640), (130, 509080), (143, 462800), (169, 391600), (176, 376025), (178, 371800), (200, 330902), (208, 318175), (220, 300820), (260, 254540), (275, 240656), (286, 231400), (325, 203632), (338, 195800), (356, 185900), (400, 165451), (440, 150410), (445, 148720), (520, 127270), (550, 120328), (572, 115700), (650, 101816), (676, 97900), (712, 92950), (715, 92560), (845, 78320), (880, 75205), (890, 74360), (979, 67600), (1040, 63635), (1100, 60164), (1144, 57850), (1157, 57200), (1300, 50908), (1352, 48950), (1424, 46475), (1430, 46280), (1690, 39160), (1780, 37180), (1859, 35600), (1958, 33800), (2200, 30082), (2225, 29744), (2288, 28925), (2314, 28600), (2600, 25454), (2704, 24475), (2860, 23140), (3380, 19580), (3560, 18590), (3575, 18512), (3718, 17800), (3916, 16900), (4225, 15664), (4400, 15041), (4450, 14872), (4628, 14300), (4895, 13520), (5200, 12727), (5720, 11570), (5785, 11440), (6760, 9790), (7120, 9295), (7150, 9256), (7436, 8900), (7832, 8450)]