19776120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1811}}^1$

素因数の和:1845

約数の個数: 128

約数和(自身を含む): 73059840

約数和(自身を除く): 53283720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1811, 1820, 2184, 2730, 3622, 3640, 5433, 5460, 7244, 9055, 10866, 10920, 12677, 14488, 18110, 21732, 23543, 25354, 27165, 36220, 38031, 43464, 47086, 50708, 54330, 63385, 70629, 72440, 76062, 94172, 101416, 108660, 117715, 126770, 141258, 152124, 164801, 188344, 190155, 217320, 235430, 253540, 282516, 304248, 329602, 353145, 380310, 470860, 494403, 507080, 565032, 659204, 706290, 760620, 824005, 941720, 988806, 1318408, 1412580, 1521240, 1648010, 1977612, 2472015, 2825160, 3296020, 3955224, 4944030, 6592040, 9888060, 19776120]

約数ペア:

[(1, 19776120), (2, 9888060), (3, 6592040), (4, 4944030), (5, 3955224), (6, 3296020), (7, 2825160), (8, 2472015), (10, 1977612), (12, 1648010), (13, 1521240), (14, 1412580), (15, 1318408), (20, 988806), (21, 941720), (24, 824005), (26, 760620), (28, 706290), (30, 659204), (35, 565032), (39, 507080), (40, 494403), (42, 470860), (52, 380310), (56, 353145), (60, 329602), (65, 304248), (70, 282516), (78, 253540), (84, 235430), (91, 217320), (104, 190155), (105, 188344), (120, 164801), (130, 152124), (140, 141258), (156, 126770), (168, 117715), (182, 108660), (195, 101416), (210, 94172), (260, 76062), (273, 72440), (280, 70629), (312, 63385), (364, 54330), (390, 50708), (420, 47086), (455, 43464), (520, 38031), (546, 36220), (728, 27165), (780, 25354), (840, 23543), (910, 21732), (1092, 18110), (1365, 14488), (1560, 12677), (1811, 10920), (1820, 10866), (2184, 9055), (2730, 7244), (3622, 5460), (3640, 5433)]