1569557720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:813

約数の個数: 128

約数和(自身を含む): 3860784000

約数和(自身を除く): 2291226280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 89, 92, 115, 116, 145, 178, 184, 230, 232, 290, 356, 445, 460, 580, 661, 667, 712, 890, 920, 1160, 1322, 1334, 1780, 2047, 2581, 2644, 2668, 3305, 3335, 3560, 4094, 5162, 5288, 5336, 6610, 6670, 8188, 10235, 10324, 12905, 13220, 13340, 15203, 16376, 19169, 20470, 20648, 25810, 26440, 26680, 30406, 38338, 40940, 51620, 58829, 59363, 60812, 76015, 76676, 81880, 95845, 103240, 117658, 118726, 121624, 152030, 153352, 191690, 235316, 237452, 294145, 296815, 304060, 383380, 440887, 470632, 474904, 588290, 593630, 608120, 766760, 881774, 1176580, 1187260, 1353067, 1706041, 1763548, 2204435, 2353160, 2374520, 2706134, 3412082, 3527096, 4408870, 5412268, 6765335, 6824164, 8530205, 8817740, 10824536, 13530670, 13648328, 17060410, 17635480, 27061340, 34120820, 39238943, 54122680, 68241640, 78477886, 156955772, 196194715, 313911544, 392389430, 784778860, 1569557720]

約数ペア:

[(1, 1569557720), (2, 784778860), (4, 392389430), (5, 313911544), (8, 196194715), (10, 156955772), (20, 78477886), (23, 68241640), (29, 54122680), (40, 39238943), (46, 34120820), (58, 27061340), (89, 17635480), (92, 17060410), (115, 13648328), (116, 13530670), (145, 10824536), (178, 8817740), (184, 8530205), (230, 6824164), (232, 6765335), (290, 5412268), (356, 4408870), (445, 3527096), (460, 3412082), (580, 2706134), (661, 2374520), (667, 2353160), (712, 2204435), (890, 1763548), (920, 1706041), (1160, 1353067), (1322, 1187260), (1334, 1176580), (1780, 881774), (2047, 766760), (2581, 608120), (2644, 593630), (2668, 588290), (3305, 474904), (3335, 470632), (3560, 440887), (4094, 383380), (5162, 304060), (5288, 296815), (5336, 294145), (6610, 237452), (6670, 235316), (8188, 191690), (10235, 153352), (10324, 152030), (12905, 121624), (13220, 118726), (13340, 117658), (15203, 103240), (16376, 95845), (19169, 81880), (20470, 76676), (20648, 76015), (25810, 60812), (26440, 59363), (26680, 58829), (30406, 51620), (38338, 40940)]