80308980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{887}}^1$

素因数の和:1405

約数の個数: 72

約数和(自身を含む): 244363392

約数和(自身を除く): 164054412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 503, 887, 1006, 1509, 1774, 2012, 2515, 2661, 3018, 3548, 4435, 4527, 5030, 5322, 6036, 7545, 7983, 8870, 9054, 10060, 10644, 13305, 15090, 15966, 17740, 18108, 22635, 26610, 30180, 31932, 39915, 45270, 53220, 79830, 90540, 159660, 446161, 892322, 1338483, 1784644, 2230805, 2676966, 4015449, 4461610, 5353932, 6692415, 8030898, 8923220, 13384830, 16061796, 20077245, 26769660, 40154490, 80308980]

約数ペア:

[(1, 80308980), (2, 40154490), (3, 26769660), (4, 20077245), (5, 16061796), (6, 13384830), (9, 8923220), (10, 8030898), (12, 6692415), (15, 5353932), (18, 4461610), (20, 4015449), (30, 2676966), (36, 2230805), (45, 1784644), (60, 1338483), (90, 892322), (180, 446161), (503, 159660), (887, 90540), (1006, 79830), (1509, 53220), (1774, 45270), (2012, 39915), (2515, 31932), (2661, 30180), (3018, 26610), (3548, 22635), (4435, 18108), (4527, 17740), (5030, 15966), (5322, 15090), (6036, 13305), (7545, 10644), (7983, 10060), (8870, 9054)]