409041280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 128

約数和(自身を含む): 1031097600

約数和(自身を除く): 622056320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 128, 155, 160, 212, 248, 265, 310, 320, 389, 424, 496, 530, 620, 640, 778, 848, 992, 1060, 1240, 1556, 1643, 1696, 1945, 1984, 2120, 2480, 3112, 3286, 3392, 3890, 3968, 4240, 4960, 6224, 6572, 6784, 7780, 8215, 8480, 9920, 12059, 12448, 13144, 15560, 16430, 16960, 19840, 20617, 24118, 24896, 26288, 31120, 32860, 33920, 41234, 48236, 49792, 52576, 60295, 62240, 65720, 82468, 96472, 103085, 105152, 120590, 124480, 131440, 164936, 192944, 206170, 210304, 241180, 248960, 262880, 329872, 385888, 412340, 482360, 525760, 639127, 659744, 771776, 824680, 964720, 1051520, 1278254, 1319488, 1543552, 1649360, 1929440, 2556508, 2638976, 3195635, 3298720, 3858880, 5113016, 6391270, 6597440, 7717760, 10226032, 12782540, 13194880, 20452064, 25565080, 40904128, 51130160, 81808256, 102260320, 204520640, 409041280]

約数ペア:

[(1, 409041280), (2, 204520640), (4, 102260320), (5, 81808256), (8, 51130160), (10, 40904128), (16, 25565080), (20, 20452064), (31, 13194880), (32, 12782540), (40, 10226032), (53, 7717760), (62, 6597440), (64, 6391270), (80, 5113016), (106, 3858880), (124, 3298720), (128, 3195635), (155, 2638976), (160, 2556508), (212, 1929440), (248, 1649360), (265, 1543552), (310, 1319488), (320, 1278254), (389, 1051520), (424, 964720), (496, 824680), (530, 771776), (620, 659744), (640, 639127), (778, 525760), (848, 482360), (992, 412340), (1060, 385888), (1240, 329872), (1556, 262880), (1643, 248960), (1696, 241180), (1945, 210304), (1984, 206170), (2120, 192944), (2480, 164936), (3112, 131440), (3286, 124480), (3392, 120590), (3890, 105152), (3968, 103085), (4240, 96472), (4960, 82468), (6224, 65720), (6572, 62240), (6784, 60295), (7780, 52576), (8215, 49792), (8480, 48236), (9920, 41234), (12059, 33920), (12448, 32860), (13144, 31120), (15560, 26288), (16430, 24896), (16960, 24118), (19840, 20617)]