743438720

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:356

約数の個数: 128

約数和(自身を含む): 1832695200

約数和(自身を除く): 1089256480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 137, 139, 160, 244, 274, 278, 305, 320, 488, 548, 556, 610, 640, 685, 695, 976, 1096, 1112, 1220, 1370, 1390, 1952, 2192, 2224, 2440, 2740, 2780, 3904, 4384, 4448, 4880, 5480, 5560, 7808, 8357, 8479, 8768, 8896, 9760, 10960, 11120, 16714, 16958, 17536, 17792, 19043, 19520, 21920, 22240, 33428, 33916, 38086, 39040, 41785, 42395, 43840, 44480, 66856, 67832, 76172, 83570, 84790, 87680, 88960, 95215, 133712, 135664, 152344, 167140, 169580, 190430, 267424, 271328, 304688, 334280, 339160, 380860, 534848, 542656, 609376, 668560, 678320, 761720, 1069696, 1085312, 1161623, 1218752, 1337120, 1356640, 1523440, 2323246, 2437504, 2674240, 2713280, 3046880, 4646492, 5348480, 5426560, 5808115, 6093760, 9292984, 11616230, 12187520, 18585968, 23232460, 37171936, 46464920, 74343872, 92929840, 148687744, 185859680, 371719360, 743438720]

約数ペア:

[(1, 743438720), (2, 371719360), (4, 185859680), (5, 148687744), (8, 92929840), (10, 74343872), (16, 46464920), (20, 37171936), (32, 23232460), (40, 18585968), (61, 12187520), (64, 11616230), (80, 9292984), (122, 6093760), (128, 5808115), (137, 5426560), (139, 5348480), (160, 4646492), (244, 3046880), (274, 2713280), (278, 2674240), (305, 2437504), (320, 2323246), (488, 1523440), (548, 1356640), (556, 1337120), (610, 1218752), (640, 1161623), (685, 1085312), (695, 1069696), (976, 761720), (1096, 678320), (1112, 668560), (1220, 609376), (1370, 542656), (1390, 534848), (1952, 380860), (2192, 339160), (2224, 334280), (2440, 304688), (2740, 271328), (2780, 267424), (3904, 190430), (4384, 169580), (4448, 167140), (4880, 152344), (5480, 135664), (5560, 133712), (7808, 95215), (8357, 88960), (8479, 87680), (8768, 84790), (8896, 83570), (9760, 76172), (10960, 67832), (11120, 66856), (16714, 44480), (16958, 43840), (17536, 42395), (17792, 41785), (19043, 39040), (19520, 38086), (21920, 33916), (22240, 33428)]