195321520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 515681280

約数和(自身を除く): 320359760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 37, 38, 40, 46, 74, 76, 80, 92, 95, 115, 148, 151, 152, 184, 185, 190, 230, 296, 302, 304, 368, 370, 380, 437, 460, 592, 604, 703, 740, 755, 760, 851, 874, 920, 1208, 1406, 1480, 1510, 1520, 1702, 1748, 1840, 2185, 2416, 2812, 2869, 2960, 3020, 3404, 3473, 3496, 3515, 4255, 4370, 5587, 5624, 5738, 6040, 6808, 6946, 6992, 7030, 8510, 8740, 11174, 11248, 11476, 12080, 13616, 13892, 14060, 14345, 16169, 17020, 17365, 17480, 22348, 22952, 27784, 27935, 28120, 28690, 32338, 34040, 34730, 34960, 44696, 45904, 55568, 55870, 56240, 57380, 64676, 65987, 68080, 69460, 80845, 89392, 106153, 111740, 114760, 128501, 129352, 131974, 138920, 161690, 212306, 223480, 229520, 257002, 258704, 263948, 277840, 323380, 329935, 424612, 446960, 514004, 527896, 530765, 642505, 646760, 659870, 849224, 1028008, 1055792, 1061530, 1285010, 1293520, 1319740, 1698448, 2056016, 2123060, 2441519, 2570020, 2639480, 4246120, 4883038, 5140040, 5278960, 8492240, 9766076, 10280080, 12207595, 19532152, 24415190, 39064304, 48830380, 97660760, 195321520]

約数ペア:

[(1, 195321520), (2, 97660760), (4, 48830380), (5, 39064304), (8, 24415190), (10, 19532152), (16, 12207595), (19, 10280080), (20, 9766076), (23, 8492240), (37, 5278960), (38, 5140040), (40, 4883038), (46, 4246120), (74, 2639480), (76, 2570020), (80, 2441519), (92, 2123060), (95, 2056016), (115, 1698448), (148, 1319740), (151, 1293520), (152, 1285010), (184, 1061530), (185, 1055792), (190, 1028008), (230, 849224), (296, 659870), (302, 646760), (304, 642505), (368, 530765), (370, 527896), (380, 514004), (437, 446960), (460, 424612), (592, 329935), (604, 323380), (703, 277840), (740, 263948), (755, 258704), (760, 257002), (851, 229520), (874, 223480), (920, 212306), (1208, 161690), (1406, 138920), (1480, 131974), (1510, 129352), (1520, 128501), (1702, 114760), (1748, 111740), (1840, 106153), (2185, 89392), (2416, 80845), (2812, 69460), (2869, 68080), (2960, 65987), (3020, 64676), (3404, 57380), (3473, 56240), (3496, 55870), (3515, 55568), (4255, 45904), (4370, 44696), (5587, 34960), (5624, 34730), (5738, 34040), (6040, 32338), (6808, 28690), (6946, 28120), (6992, 27935), (7030, 27784), (8510, 22952), (8740, 22348), (11174, 17480), (11248, 17365), (11476, 17020), (12080, 16169), (13616, 14345), (13892, 14060)]