899454420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{18439}}^1$

素因数の和:18725

約数の個数: 72

約数和(自身を含む): 2738561280

約数和(自身を除く): 1839106860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1355, 1626, 2439, 2710, 3252, 4065, 4878, 5420, 8130, 9756, 12195, 16260, 18439, 24390, 36878, 48780, 55317, 73756, 92195, 110634, 165951, 184390, 221268, 276585, 331902, 368780, 553170, 663804, 829755, 1106340, 1659510, 3319020, 4996969, 9993938, 14990907, 19987876, 24984845, 29981814, 44972721, 49969690, 59963628, 74954535, 89945442, 99939380, 149909070, 179890884, 224863605, 299818140, 449727210, 899454420]

約数ペア:

[(1, 899454420), (2, 449727210), (3, 299818140), (4, 224863605), (5, 179890884), (6, 149909070), (9, 99939380), (10, 89945442), (12, 74954535), (15, 59963628), (18, 49969690), (20, 44972721), (30, 29981814), (36, 24984845), (45, 19987876), (60, 14990907), (90, 9993938), (180, 4996969), (271, 3319020), (542, 1659510), (813, 1106340), (1084, 829755), (1355, 663804), (1626, 553170), (2439, 368780), (2710, 331902), (3252, 276585), (4065, 221268), (4878, 184390), (5420, 165951), (8130, 110634), (9756, 92195), (12195, 73756), (16260, 55317), (18439, 48780), (24390, 36878)]