71937990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 207936000

約数和(自身を除く): 135998010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 37, 38, 45, 54, 57, 74, 90, 95, 111, 114, 135, 171, 185, 190, 222, 270, 285, 333, 342, 370, 379, 513, 555, 570, 666, 703, 758, 855, 999, 1026, 1110, 1137, 1406, 1665, 1710, 1895, 1998, 2109, 2274, 2565, 3330, 3411, 3515, 3790, 4218, 4995, 5130, 5685, 6327, 6822, 7030, 7201, 9990, 10233, 10545, 11370, 12654, 14023, 14402, 17055, 18981, 20466, 21090, 21603, 28046, 31635, 34110, 36005, 37962, 42069, 43206, 51165, 63270, 64809, 70115, 72010, 84138, 94905, 102330, 108015, 126207, 129618, 140230, 189810, 194427, 210345, 216030, 252414, 266437, 324045, 378621, 388854, 420690, 532874, 631035, 648090, 757242, 799311, 972135, 1262070, 1332185, 1598622, 1893105, 1944270, 2397933, 2664370, 3786210, 3996555, 4795866, 7193799, 7993110, 11989665, 14387598, 23979330, 35968995, 71937990]

約数ペア:

[(1, 71937990), (2, 35968995), (3, 23979330), (5, 14387598), (6, 11989665), (9, 7993110), (10, 7193799), (15, 4795866), (18, 3996555), (19, 3786210), (27, 2664370), (30, 2397933), (37, 1944270), (38, 1893105), (45, 1598622), (54, 1332185), (57, 1262070), (74, 972135), (90, 799311), (95, 757242), (111, 648090), (114, 631035), (135, 532874), (171, 420690), (185, 388854), (190, 378621), (222, 324045), (270, 266437), (285, 252414), (333, 216030), (342, 210345), (370, 194427), (379, 189810), (513, 140230), (555, 129618), (570, 126207), (666, 108015), (703, 102330), (758, 94905), (855, 84138), (999, 72010), (1026, 70115), (1110, 64809), (1137, 63270), (1406, 51165), (1665, 43206), (1710, 42069), (1895, 37962), (1998, 36005), (2109, 34110), (2274, 31635), (2565, 28046), (3330, 21603), (3411, 21090), (3515, 20466), (3790, 18981), (4218, 17055), (4995, 14402), (5130, 14023), (5685, 12654), (6327, 11370), (6822, 10545), (7030, 10233), (7201, 9990)]