18740800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 168

約数和(自身を含む): 53574696

約数和(自身を除く): 34833896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 53, 64, 65, 68, 80, 85, 100, 104, 106, 130, 136, 160, 170, 200, 208, 212, 221, 260, 265, 272, 320, 325, 340, 400, 416, 424, 425, 442, 520, 530, 544, 650, 680, 689, 800, 832, 848, 850, 884, 901, 1040, 1060, 1088, 1105, 1300, 1325, 1360, 1378, 1600, 1696, 1700, 1768, 1802, 2080, 2120, 2210, 2600, 2650, 2720, 2756, 3392, 3400, 3445, 3536, 3604, 4160, 4240, 4420, 4505, 5200, 5300, 5440, 5512, 5525, 6800, 6890, 7072, 7208, 8480, 8840, 9010, 10400, 10600, 11024, 11050, 11713, 13600, 13780, 14144, 14416, 16960, 17225, 17680, 18020, 20800, 21200, 22048, 22100, 22525, 23426, 27200, 27560, 28832, 34450, 35360, 36040, 42400, 44096, 44200, 45050, 46852, 55120, 57664, 58565, 68900, 70720, 72080, 84800, 88400, 90100, 93704, 110240, 117130, 137800, 144160, 176800, 180200, 187408, 220480, 234260, 275600, 288320, 292825, 353600, 360400, 374816, 468520, 551200, 585650, 720800, 749632, 937040, 1102400, 1171300, 1441600, 1874080, 2342600, 3748160, 4685200, 9370400, 18740800]

約数ペア:

[(1, 18740800), (2, 9370400), (4, 4685200), (5, 3748160), (8, 2342600), (10, 1874080), (13, 1441600), (16, 1171300), (17, 1102400), (20, 937040), (25, 749632), (26, 720800), (32, 585650), (34, 551200), (40, 468520), (50, 374816), (52, 360400), (53, 353600), (64, 292825), (65, 288320), (68, 275600), (80, 234260), (85, 220480), (100, 187408), (104, 180200), (106, 176800), (130, 144160), (136, 137800), (160, 117130), (170, 110240), (200, 93704), (208, 90100), (212, 88400), (221, 84800), (260, 72080), (265, 70720), (272, 68900), (320, 58565), (325, 57664), (340, 55120), (400, 46852), (416, 45050), (424, 44200), (425, 44096), (442, 42400), (520, 36040), (530, 35360), (544, 34450), (650, 28832), (680, 27560), (689, 27200), (800, 23426), (832, 22525), (848, 22100), (850, 22048), (884, 21200), (901, 20800), (1040, 18020), (1060, 17680), (1088, 17225), (1105, 16960), (1300, 14416), (1325, 14144), (1360, 13780), (1378, 13600), (1600, 11713), (1696, 11050), (1700, 11024), (1768, 10600), (1802, 10400), (2080, 9010), (2120, 8840), (2210, 8480), (2600, 7208), (2650, 7072), (2720, 6890), (2756, 6800), (3392, 5525), (3400, 5512), (3445, 5440), (3536, 5300), (3604, 5200), (4160, 4505), (4240, 4420)]