320425650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:497

約数の個数: 144

約数和(自身を含む): 911566656

約数和(自身を除く): 591141006

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 83, 90, 115, 138, 150, 166, 207, 225, 230, 249, 345, 373, 414, 415, 450, 498, 575, 690, 746, 747, 830, 1035, 1119, 1150, 1245, 1494, 1725, 1865, 1909, 2070, 2075, 2238, 2490, 3357, 3450, 3730, 3735, 3818, 4150, 5175, 5595, 5727, 6225, 6714, 7470, 8579, 9325, 9545, 10350, 11190, 11454, 12450, 16785, 17158, 17181, 18650, 18675, 19090, 25737, 27975, 28635, 30959, 33570, 34362, 37350, 42895, 47725, 51474, 55950, 57270, 61918, 77211, 83925, 85790, 85905, 92877, 95450, 128685, 143175, 154422, 154795, 167850, 171810, 185754, 214475, 257370, 278631, 286350, 309590, 386055, 428950, 429525, 464385, 557262, 643425, 712057, 772110, 773975, 859050, 928770, 1286850, 1393155, 1424114, 1547950, 1930275, 2136171, 2321925, 2786310, 3560285, 3860550, 4272342, 4643850, 6408513, 6965775, 7120570, 10680855, 12817026, 13931550, 17801425, 21361710, 32042565, 35602850, 53404275, 64085130, 106808550, 160212825, 320425650]

約数ペア:

[(1, 320425650), (2, 160212825), (3, 106808550), (5, 64085130), (6, 53404275), (9, 35602850), (10, 32042565), (15, 21361710), (18, 17801425), (23, 13931550), (25, 12817026), (30, 10680855), (45, 7120570), (46, 6965775), (50, 6408513), (69, 4643850), (75, 4272342), (83, 3860550), (90, 3560285), (115, 2786310), (138, 2321925), (150, 2136171), (166, 1930275), (207, 1547950), (225, 1424114), (230, 1393155), (249, 1286850), (345, 928770), (373, 859050), (414, 773975), (415, 772110), (450, 712057), (498, 643425), (575, 557262), (690, 464385), (746, 429525), (747, 428950), (830, 386055), (1035, 309590), (1119, 286350), (1150, 278631), (1245, 257370), (1494, 214475), (1725, 185754), (1865, 171810), (1909, 167850), (2070, 154795), (2075, 154422), (2238, 143175), (2490, 128685), (3357, 95450), (3450, 92877), (3730, 85905), (3735, 85790), (3818, 83925), (4150, 77211), (5175, 61918), (5595, 57270), (5727, 55950), (6225, 51474), (6714, 47725), (7470, 42895), (8579, 37350), (9325, 34362), (9545, 33570), (10350, 30959), (11190, 28635), (11454, 27975), (12450, 25737), (16785, 19090), (17158, 18675), (17181, 18650)]