15681120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:397

約数の個数: 192

約数和(自身を含む): 60963840

約数和(自身を除く): 45282720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 359, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 718, 728, 780, 840, 910, 1040, 1077, 1092, 1120, 1248, 1365, 1436, 1456, 1560, 1680, 1795, 1820, 2080, 2154, 2184, 2513, 2730, 2872, 2912, 3120, 3360, 3590, 3640, 4308, 4368, 4667, 5026, 5385, 5460, 5744, 6240, 7180, 7280, 7539, 8616, 8736, 9334, 10052, 10770, 10920, 11488, 12565, 14001, 14360, 14560, 15078, 17232, 18668, 20104, 21540, 21840, 23335, 25130, 28002, 28720, 30156, 32669, 34464, 37336, 37695, 40208, 43080, 43680, 46670, 50260, 56004, 57440, 60312, 65338, 70005, 74672, 75390, 80416, 86160, 93340, 98007, 100520, 112008, 120624, 130676, 140010, 149344, 150780, 163345, 172320, 186680, 196014, 201040, 224016, 241248, 261352, 280020, 301560, 326690, 373360, 392028, 402080, 448032, 490035, 522704, 560040, 603120, 653380, 746720, 784056, 980070, 1045408, 1120080, 1206240, 1306760, 1568112, 1960140, 2240160, 2613520, 3136224, 3920280, 5227040, 7840560, 15681120]

約数ペア:

[(1, 15681120), (2, 7840560), (3, 5227040), (4, 3920280), (5, 3136224), (6, 2613520), (7, 2240160), (8, 1960140), (10, 1568112), (12, 1306760), (13, 1206240), (14, 1120080), (15, 1045408), (16, 980070), (20, 784056), (21, 746720), (24, 653380), (26, 603120), (28, 560040), (30, 522704), (32, 490035), (35, 448032), (39, 402080), (40, 392028), (42, 373360), (48, 326690), (52, 301560), (56, 280020), (60, 261352), (65, 241248), (70, 224016), (78, 201040), (80, 196014), (84, 186680), (91, 172320), (96, 163345), (104, 150780), (105, 149344), (112, 140010), (120, 130676), (130, 120624), (140, 112008), (156, 100520), (160, 98007), (168, 93340), (182, 86160), (195, 80416), (208, 75390), (210, 74672), (224, 70005), (240, 65338), (260, 60312), (273, 57440), (280, 56004), (312, 50260), (336, 46670), (359, 43680), (364, 43080), (390, 40208), (416, 37695), (420, 37336), (455, 34464), (480, 32669), (520, 30156), (546, 28720), (560, 28002), (624, 25130), (672, 23335), (718, 21840), (728, 21540), (780, 20104), (840, 18668), (910, 17232), (1040, 15078), (1077, 14560), (1092, 14360), (1120, 14001), (1248, 12565), (1365, 11488), (1436, 10920), (1456, 10770), (1560, 10052), (1680, 9334), (1795, 8736), (1820, 8616), (2080, 7539), (2154, 7280), (2184, 7180), (2513, 6240), (2730, 5744), (2872, 5460), (2912, 5385), (3120, 5026), (3360, 4667), (3590, 4368), (3640, 4308)]