42120810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:517

約数の個数: 80

約数和(自身を含む): 114345000

約数和(自身を除く): 72224190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 149, 162, 270, 298, 349, 405, 447, 698, 745, 810, 894, 1047, 1341, 1490, 1745, 2094, 2235, 2682, 3141, 3490, 4023, 4470, 5235, 6282, 6705, 8046, 9423, 10470, 12069, 13410, 15705, 18846, 20115, 24138, 28269, 31410, 40230, 47115, 52001, 56538, 60345, 94230, 104002, 120690, 141345, 156003, 260005, 282690, 312006, 468009, 520010, 780015, 936018, 1404027, 1560030, 2340045, 2808054, 4212081, 4680090, 7020135, 8424162, 14040270, 21060405, 42120810]

約数ペア:

[(1, 42120810), (2, 21060405), (3, 14040270), (5, 8424162), (6, 7020135), (9, 4680090), (10, 4212081), (15, 2808054), (18, 2340045), (27, 1560030), (30, 1404027), (45, 936018), (54, 780015), (81, 520010), (90, 468009), (135, 312006), (149, 282690), (162, 260005), (270, 156003), (298, 141345), (349, 120690), (405, 104002), (447, 94230), (698, 60345), (745, 56538), (810, 52001), (894, 47115), (1047, 40230), (1341, 31410), (1490, 28269), (1745, 24138), (2094, 20115), (2235, 18846), (2682, 15705), (3141, 13410), (3490, 12069), (4023, 10470), (4470, 9423), (5235, 8046), (6282, 6705)]