19765200

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:222

約数の個数: 240

約数和(自身を含む): 78356096

約数和(自身を除く): 58590896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 48, 50, 52, 56, 60, 65, 70, 75, 78, 80, 84, 91, 100, 104, 105, 112, 120, 130, 140, 150, 156, 168, 175, 181, 182, 195, 200, 208, 210, 240, 260, 273, 280, 300, 312, 325, 336, 350, 362, 364, 390, 400, 420, 455, 520, 525, 543, 546, 560, 600, 624, 650, 700, 724, 728, 780, 840, 905, 910, 975, 1040, 1050, 1086, 1092, 1200, 1267, 1300, 1365, 1400, 1448, 1456, 1560, 1680, 1810, 1820, 1950, 2100, 2172, 2184, 2275, 2353, 2534, 2600, 2715, 2730, 2800, 2896, 3120, 3620, 3640, 3801, 3900, 4200, 4344, 4368, 4525, 4550, 4706, 5068, 5200, 5430, 5460, 6335, 6825, 7059, 7240, 7280, 7602, 7800, 8400, 8688, 9050, 9100, 9412, 10136, 10860, 10920, 11765, 12670, 13575, 13650, 14118, 14480, 15204, 15600, 16471, 18100, 18200, 18824, 19005, 20272, 21720, 21840, 23530, 25340, 27150, 27300, 28236, 30408, 31675, 32942, 35295, 36200, 36400, 37648, 38010, 43440, 47060, 49413, 50680, 54300, 54600, 56472, 58825, 60816, 63350, 65884, 70590, 72400, 76020, 82355, 94120, 95025, 98826, 101360, 108600, 109200, 112944, 117650, 126700, 131768, 141180, 152040, 164710, 176475, 188240, 190050, 197652, 217200, 235300, 247065, 253400, 263536, 282360, 304080, 329420, 352950, 380100, 395304, 411775, 470600, 494130, 506800, 564720, 658840, 705900, 760200, 790608, 823550, 941200, 988260, 1235325, 1317680, 1411800, 1520400, 1647100, 1976520, 2470650, 2823600, 3294200, 3953040, 4941300, 6588400, 9882600, 19765200]

約数ペア:

[(1, 19765200), (2, 9882600), (3, 6588400), (4, 4941300), (5, 3953040), (6, 3294200), (7, 2823600), (8, 2470650), (10, 1976520), (12, 1647100), (13, 1520400), (14, 1411800), (15, 1317680), (16, 1235325), (20, 988260), (21, 941200), (24, 823550), (25, 790608), (26, 760200), (28, 705900), (30, 658840), (35, 564720), (39, 506800), (40, 494130), (42, 470600), (48, 411775), (50, 395304), (52, 380100), (56, 352950), (60, 329420), (65, 304080), (70, 282360), (75, 263536), (78, 253400), (80, 247065), (84, 235300), (91, 217200), (100, 197652), (104, 190050), (105, 188240), (112, 176475), (120, 164710), (130, 152040), (140, 141180), (150, 131768), (156, 126700), (168, 117650), (175, 112944), (181, 109200), (182, 108600), (195, 101360), (200, 98826), (208, 95025), (210, 94120), (240, 82355), (260, 76020), (273, 72400), (280, 70590), (300, 65884), (312, 63350), (325, 60816), (336, 58825), (350, 56472), (362, 54600), (364, 54300), (390, 50680), (400, 49413), (420, 47060), (455, 43440), (520, 38010), (525, 37648), (543, 36400), (546, 36200), (560, 35295), (600, 32942), (624, 31675), (650, 30408), (700, 28236), (724, 27300), (728, 27150), (780, 25340), (840, 23530), (905, 21840), (910, 21720), (975, 20272), (1040, 19005), (1050, 18824), (1086, 18200), (1092, 18100), (1200, 16471), (1267, 15600), (1300, 15204), (1365, 14480), (1400, 14118), (1448, 13650), (1456, 13575), (1560, 12670), (1680, 11765), (1810, 10920), (1820, 10860), (1950, 10136), (2100, 9412), (2172, 9100), (2184, 9050), (2275, 8688), (2353, 8400), (2534, 7800), (2600, 7602), (2715, 7280), (2730, 7240), (2800, 7059), (2896, 6825), (3120, 6335), (3620, 5460), (3640, 5430), (3801, 5200), (3900, 5068), (4200, 4706), (4344, 4550), (4368, 4525)]