71254980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{787}}^1$

素因数の和:1305

約数の個数: 72

約数和(自身を含む): 216844992

約数和(自身を除く): 145590012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 503, 787, 1006, 1509, 1574, 2012, 2361, 2515, 3018, 3148, 3935, 4527, 4722, 5030, 6036, 7083, 7545, 7870, 9054, 9444, 10060, 11805, 14166, 15090, 15740, 18108, 22635, 23610, 28332, 30180, 35415, 45270, 47220, 70830, 90540, 141660, 395861, 791722, 1187583, 1583444, 1979305, 2375166, 3562749, 3958610, 4750332, 5937915, 7125498, 7917220, 11875830, 14250996, 17813745, 23751660, 35627490, 71254980]

約数ペア:

[(1, 71254980), (2, 35627490), (3, 23751660), (4, 17813745), (5, 14250996), (6, 11875830), (9, 7917220), (10, 7125498), (12, 5937915), (15, 4750332), (18, 3958610), (20, 3562749), (30, 2375166), (36, 1979305), (45, 1583444), (60, 1187583), (90, 791722), (180, 395861), (503, 141660), (787, 90540), (1006, 70830), (1509, 47220), (1574, 45270), (2012, 35415), (2361, 30180), (2515, 28332), (3018, 23610), (3148, 22635), (3935, 18108), (4527, 15740), (4722, 15090), (5030, 14166), (6036, 11805), (7083, 10060), (7545, 9444), (7870, 9054)]