280180935

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^2\times {\mathrm{73}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 526060080

約数和(自身を除く): 245879145

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 67, 73, 95, 171, 201, 219, 285, 335, 365, 603, 657, 855, 1005, 1095, 1273, 1387, 3015, 3285, 3819, 4161, 4489, 4891, 6365, 6935, 11457, 12483, 13467, 14673, 19095, 20805, 22445, 24455, 40401, 44019, 57285, 62415, 67335, 73365, 85291, 92929, 202005, 220095, 255873, 278787, 327697, 426455, 464645, 767619, 836361, 983091, 1279365, 1393935, 1638485, 2949273, 3838095, 4181805, 4915455, 6226243, 14746365, 18678729, 31131215, 56036187, 93393645, 280180935]

約数ペア:

[(1, 280180935), (3, 93393645), (5, 56036187), (9, 31131215), (15, 18678729), (19, 14746365), (45, 6226243), (57, 4915455), (67, 4181805), (73, 3838095), (95, 2949273), (171, 1638485), (201, 1393935), (219, 1279365), (285, 983091), (335, 836361), (365, 767619), (603, 464645), (657, 426455), (855, 327697), (1005, 278787), (1095, 255873), (1273, 220095), (1387, 202005), (3015, 92929), (3285, 85291), (3819, 73365), (4161, 67335), (4489, 62415), (4891, 57285), (6365, 44019), (6935, 40401), (11457, 24455), (12483, 22445), (13467, 20805), (14673, 19095)]