15172920

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{223}}^1$

素因数の和:256

約数の個数: 192

約数和(自身を含む): 58705920

約数和(自身を除く): 43533000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 223, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 446, 486, 504, 540, 567, 630, 648, 669, 756, 810, 840, 892, 945, 972, 1080, 1115, 1134, 1215, 1260, 1338, 1512, 1561, 1620, 1701, 1784, 1890, 1944, 2007, 2230, 2268, 2430, 2520, 2676, 2835, 3122, 3240, 3345, 3402, 3780, 4014, 4460, 4536, 4683, 4860, 5352, 5670, 6021, 6244, 6690, 6804, 7560, 7805, 8028, 8505, 8920, 9366, 9720, 10035, 11340, 12042, 12488, 13380, 13608, 14049, 15610, 16056, 17010, 18063, 18732, 20070, 22680, 23415, 24084, 26760, 28098, 30105, 31220, 34020, 36126, 37464, 40140, 42147, 46830, 48168, 54189, 56196, 60210, 62440, 68040, 70245, 72252, 80280, 84294, 90315, 93660, 108378, 112392, 120420, 126441, 140490, 144504, 168588, 180630, 187320, 210735, 216756, 240840, 252882, 270945, 280980, 337176, 361260, 379323, 421470, 433512, 505764, 541890, 561960, 632205, 722520, 758646, 842940, 1011528, 1083780, 1264410, 1517292, 1685880, 1896615, 2167560, 2528820, 3034584, 3793230, 5057640, 7586460, 15172920]

約数ペア:

[(1, 15172920), (2, 7586460), (3, 5057640), (4, 3793230), (5, 3034584), (6, 2528820), (7, 2167560), (8, 1896615), (9, 1685880), (10, 1517292), (12, 1264410), (14, 1083780), (15, 1011528), (18, 842940), (20, 758646), (21, 722520), (24, 632205), (27, 561960), (28, 541890), (30, 505764), (35, 433512), (36, 421470), (40, 379323), (42, 361260), (45, 337176), (54, 280980), (56, 270945), (60, 252882), (63, 240840), (70, 216756), (72, 210735), (81, 187320), (84, 180630), (90, 168588), (105, 144504), (108, 140490), (120, 126441), (126, 120420), (135, 112392), (140, 108378), (162, 93660), (168, 90315), (180, 84294), (189, 80280), (210, 72252), (216, 70245), (223, 68040), (243, 62440), (252, 60210), (270, 56196), (280, 54189), (315, 48168), (324, 46830), (360, 42147), (378, 40140), (405, 37464), (420, 36126), (446, 34020), (486, 31220), (504, 30105), (540, 28098), (567, 26760), (630, 24084), (648, 23415), (669, 22680), (756, 20070), (810, 18732), (840, 18063), (892, 17010), (945, 16056), (972, 15610), (1080, 14049), (1115, 13608), (1134, 13380), (1215, 12488), (1260, 12042), (1338, 11340), (1512, 10035), (1561, 9720), (1620, 9366), (1701, 8920), (1784, 8505), (1890, 8028), (1944, 7805), (2007, 7560), (2230, 6804), (2268, 6690), (2430, 6244), (2520, 6021), (2676, 5670), (2835, 5352), (3122, 4860), (3240, 4683), (3345, 4536), (3402, 4460), (3780, 4014)]