213789420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{433}}^1$

素因数の和:672

約数の個数: 144

約数和(自身を含む): 703309152

約数和(自身を除く): 489519732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 211, 234, 260, 390, 422, 433, 468, 585, 633, 780, 844, 866, 1055, 1170, 1266, 1299, 1732, 1899, 2110, 2165, 2340, 2532, 2598, 2743, 3165, 3798, 3897, 4220, 4330, 5196, 5486, 5629, 6330, 6495, 7596, 7794, 8229, 8660, 9495, 10972, 11258, 12660, 12990, 13715, 15588, 16458, 16887, 18990, 19485, 22516, 24687, 25980, 27430, 28145, 32916, 33774, 37980, 38970, 41145, 49374, 50661, 54860, 56290, 67548, 77940, 82290, 84435, 91363, 98748, 101322, 112580, 123435, 164580, 168870, 182726, 202644, 246870, 253305, 274089, 337740, 365452, 456815, 493740, 506610, 548178, 822267, 913630, 1013220, 1096356, 1187719, 1370445, 1644534, 1827260, 2375438, 2740890, 3289068, 3563157, 4111335, 4750876, 5481780, 5938595, 7126314, 8222670, 10689471, 11877190, 14252628, 16445340, 17815785, 21378942, 23754380, 35631570, 42757884, 53447355, 71263140, 106894710, 213789420]

約数ペア:

[(1, 213789420), (2, 106894710), (3, 71263140), (4, 53447355), (5, 42757884), (6, 35631570), (9, 23754380), (10, 21378942), (12, 17815785), (13, 16445340), (15, 14252628), (18, 11877190), (20, 10689471), (26, 8222670), (30, 7126314), (36, 5938595), (39, 5481780), (45, 4750876), (52, 4111335), (60, 3563157), (65, 3289068), (78, 2740890), (90, 2375438), (117, 1827260), (130, 1644534), (156, 1370445), (180, 1187719), (195, 1096356), (211, 1013220), (234, 913630), (260, 822267), (390, 548178), (422, 506610), (433, 493740), (468, 456815), (585, 365452), (633, 337740), (780, 274089), (844, 253305), (866, 246870), (1055, 202644), (1170, 182726), (1266, 168870), (1299, 164580), (1732, 123435), (1899, 112580), (2110, 101322), (2165, 98748), (2340, 91363), (2532, 84435), (2598, 82290), (2743, 77940), (3165, 67548), (3798, 56290), (3897, 54860), (4220, 50661), (4330, 49374), (5196, 41145), (5486, 38970), (5629, 37980), (6330, 33774), (6495, 32916), (7596, 28145), (7794, 27430), (8229, 25980), (8660, 24687), (9495, 22516), (10972, 19485), (11258, 18990), (12660, 16887), (12990, 16458), (13715, 15588)]