311156730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 144

約数和(自身を含む): 873352584

約数和(自身を除く): 562195854

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 61, 90, 95, 114, 122, 157, 171, 183, 190, 285, 305, 314, 342, 361, 366, 471, 549, 570, 610, 722, 785, 855, 915, 942, 1083, 1098, 1159, 1413, 1570, 1710, 1805, 1830, 2166, 2318, 2355, 2745, 2826, 2983, 3249, 3477, 3610, 4710, 5415, 5490, 5795, 5966, 6498, 6954, 7065, 8949, 9577, 10431, 10830, 11590, 14130, 14915, 16245, 17385, 17898, 19154, 20862, 22021, 26847, 28731, 29830, 32490, 34770, 44042, 44745, 47885, 52155, 53694, 56677, 57462, 66063, 86193, 89490, 95770, 104310, 110105, 113354, 132126, 134235, 143655, 170031, 172386, 181963, 198189, 220210, 268470, 283385, 287310, 330315, 340062, 363926, 396378, 430965, 510093, 545889, 566770, 660630, 850155, 861930, 909815, 990945, 1020186, 1091778, 1637667, 1700310, 1819630, 1981890, 2550465, 2729445, 3275334, 3457297, 5100930, 5458890, 6914594, 8188335, 10371891, 16376670, 17286485, 20743782, 31115673, 34572970, 51859455, 62231346, 103718910, 155578365, 311156730]

約数ペア:

[(1, 311156730), (2, 155578365), (3, 103718910), (5, 62231346), (6, 51859455), (9, 34572970), (10, 31115673), (15, 20743782), (18, 17286485), (19, 16376670), (30, 10371891), (38, 8188335), (45, 6914594), (57, 5458890), (61, 5100930), (90, 3457297), (95, 3275334), (114, 2729445), (122, 2550465), (157, 1981890), (171, 1819630), (183, 1700310), (190, 1637667), (285, 1091778), (305, 1020186), (314, 990945), (342, 909815), (361, 861930), (366, 850155), (471, 660630), (549, 566770), (570, 545889), (610, 510093), (722, 430965), (785, 396378), (855, 363926), (915, 340062), (942, 330315), (1083, 287310), (1098, 283385), (1159, 268470), (1413, 220210), (1570, 198189), (1710, 181963), (1805, 172386), (1830, 170031), (2166, 143655), (2318, 134235), (2355, 132126), (2745, 113354), (2826, 110105), (2983, 104310), (3249, 95770), (3477, 89490), (3610, 86193), (4710, 66063), (5415, 57462), (5490, 56677), (5795, 53694), (5966, 52155), (6498, 47885), (6954, 44745), (7065, 44042), (8949, 34770), (9577, 32490), (10431, 29830), (10830, 28731), (11590, 26847), (14130, 22021), (14915, 20862), (16245, 19154), (17385, 17898)]