1787727840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{379}}^1$

素因数の和:745

約数の個数: 192

約数和(自身を含む): 5846722560

約数和(自身を除く): 4058994720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 317, 372, 379, 465, 480, 496, 620, 634, 744, 758, 930, 951, 992, 1137, 1240, 1268, 1488, 1516, 1585, 1860, 1895, 1902, 2274, 2480, 2536, 2976, 3032, 3170, 3720, 3790, 3804, 4548, 4755, 4960, 5072, 5685, 6064, 6340, 7440, 7580, 7608, 9096, 9510, 9827, 10144, 11370, 11749, 12128, 12680, 14880, 15160, 15216, 18192, 19020, 19654, 22740, 23498, 25360, 29481, 30320, 30432, 35247, 36384, 38040, 39308, 45480, 46996, 49135, 50720, 58745, 58962, 60640, 70494, 76080, 78616, 90960, 93992, 98270, 117490, 117924, 120143, 140988, 147405, 152160, 157232, 176235, 181920, 187984, 196540, 234980, 235848, 240286, 281976, 294810, 314464, 352470, 360429, 375968, 393080, 469960, 471696, 480572, 563952, 589620, 600715, 704940, 720858, 786160, 939920, 943392, 961144, 1127904, 1179240, 1201430, 1409880, 1441716, 1572320, 1802145, 1879840, 1922288, 2358480, 2402860, 2819760, 2883432, 3604290, 3724433, 3844576, 4716960, 4805720, 5639520, 5766864, 7208580, 7448866, 9611440, 11173299, 11533728, 14417160, 14897732, 18622165, 19222880, 22346598, 28834320, 29795464, 37244330, 44693196, 55866495, 57668640, 59590928, 74488660, 89386392, 111732990, 119181856, 148977320, 178772784, 223465980, 297954640, 357545568, 446931960, 595909280, 893863920, 1787727840]

約数ペア:

[(1, 1787727840), (2, 893863920), (3, 595909280), (4, 446931960), (5, 357545568), (6, 297954640), (8, 223465980), (10, 178772784), (12, 148977320), (15, 119181856), (16, 111732990), (20, 89386392), (24, 74488660), (30, 59590928), (31, 57668640), (32, 55866495), (40, 44693196), (48, 37244330), (60, 29795464), (62, 28834320), (80, 22346598), (93, 19222880), (96, 18622165), (120, 14897732), (124, 14417160), (155, 11533728), (160, 11173299), (186, 9611440), (240, 7448866), (248, 7208580), (310, 5766864), (317, 5639520), (372, 4805720), (379, 4716960), (465, 3844576), (480, 3724433), (496, 3604290), (620, 2883432), (634, 2819760), (744, 2402860), (758, 2358480), (930, 1922288), (951, 1879840), (992, 1802145), (1137, 1572320), (1240, 1441716), (1268, 1409880), (1488, 1201430), (1516, 1179240), (1585, 1127904), (1860, 961144), (1895, 943392), (1902, 939920), (2274, 786160), (2480, 720858), (2536, 704940), (2976, 600715), (3032, 589620), (3170, 563952), (3720, 480572), (3790, 471696), (3804, 469960), (4548, 393080), (4755, 375968), (4960, 360429), (5072, 352470), (5685, 314464), (6064, 294810), (6340, 281976), (7440, 240286), (7580, 235848), (7608, 234980), (9096, 196540), (9510, 187984), (9827, 181920), (10144, 176235), (11370, 157232), (11749, 152160), (12128, 147405), (12680, 140988), (14880, 120143), (15160, 117924), (15216, 117490), (18192, 98270), (19020, 93992), (19654, 90960), (22740, 78616), (23498, 76080), (25360, 70494), (29481, 60640), (30320, 58962), (30432, 58745), (35247, 50720), (36384, 49135), (38040, 46996), (39308, 45480)]