1640442800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4349}}^1$

素因数の和:4431

約数の個数: 120

約数和(自身を含む): 4213792800

約数和(自身を除く): 2573350000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 41, 46, 50, 80, 82, 92, 100, 115, 164, 184, 200, 205, 230, 328, 368, 400, 410, 460, 575, 656, 820, 920, 943, 1025, 1150, 1640, 1840, 1886, 2050, 2300, 3280, 3772, 4100, 4349, 4600, 4715, 7544, 8200, 8698, 9200, 9430, 15088, 16400, 17396, 18860, 21745, 23575, 34792, 37720, 43490, 47150, 69584, 75440, 86980, 94300, 100027, 108725, 173960, 178309, 188600, 200054, 217450, 347920, 356618, 377200, 400108, 434900, 500135, 713236, 800216, 869800, 891545, 1000270, 1426472, 1600432, 1739600, 1783090, 2000540, 2500675, 2852944, 3566180, 4001080, 4101107, 4457725, 5001350, 7132360, 8002160, 8202214, 8915450, 10002700, 14264720, 16404428, 17830900, 20005400, 20505535, 32808856, 35661800, 40010800, 41011070, 65617712, 71323600, 82022140, 102527675, 164044280, 205055350, 328088560, 410110700, 820221400, 1640442800]

約数ペア:

[(1, 1640442800), (2, 820221400), (4, 410110700), (5, 328088560), (8, 205055350), (10, 164044280), (16, 102527675), (20, 82022140), (23, 71323600), (25, 65617712), (40, 41011070), (41, 40010800), (46, 35661800), (50, 32808856), (80, 20505535), (82, 20005400), (92, 17830900), (100, 16404428), (115, 14264720), (164, 10002700), (184, 8915450), (200, 8202214), (205, 8002160), (230, 7132360), (328, 5001350), (368, 4457725), (400, 4101107), (410, 4001080), (460, 3566180), (575, 2852944), (656, 2500675), (820, 2000540), (920, 1783090), (943, 1739600), (1025, 1600432), (1150, 1426472), (1640, 1000270), (1840, 891545), (1886, 869800), (2050, 800216), (2300, 713236), (3280, 500135), (3772, 434900), (4100, 400108), (4349, 377200), (4600, 356618), (4715, 347920), (7544, 217450), (8200, 200054), (8698, 188600), (9200, 178309), (9430, 173960), (15088, 108725), (16400, 100027), (17396, 94300), (18860, 86980), (21745, 75440), (23575, 69584), (34792, 47150), (37720, 43490)]