31571987200

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12241}}^1$

素因数の和:12311

約数の個数: 216

約数和(自身を含む): 86878633856

約数和(自身を除く): 55306646656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 128, 130, 155, 160, 200, 208, 248, 256, 260, 310, 320, 325, 400, 403, 416, 496, 520, 620, 640, 650, 775, 800, 806, 832, 992, 1040, 1240, 1280, 1300, 1550, 1600, 1612, 1664, 1984, 2015, 2080, 2480, 2600, 3100, 3200, 3224, 3328, 3968, 4030, 4160, 4960, 5200, 6200, 6400, 6448, 7936, 8060, 8320, 9920, 10075, 10400, 12241, 12400, 12896, 16120, 16640, 19840, 20150, 20800, 24482, 24800, 25792, 32240, 39680, 40300, 41600, 48964, 49600, 51584, 61205, 64480, 80600, 83200, 97928, 99200, 103168, 122410, 128960, 159133, 161200, 195856, 198400, 244820, 257920, 306025, 318266, 322400, 379471, 391712, 489640, 515840, 612050, 636532, 644800, 758942, 783424, 795665, 979280, 1224100, 1273064, 1289600, 1517884, 1566848, 1591330, 1897355, 1958560, 2448200, 2546128, 2579200, 3035768, 3133696, 3182660, 3794710, 3917120, 3978325, 4896400, 4933123, 5092256, 6071536, 6365320, 7589420, 7834240, 7956650, 9486775, 9792800, 9866246, 10184512, 12143072, 12730640, 15178840, 15668480, 15913300, 18973550, 19585600, 19732492, 20369024, 24286144, 24665615, 25461280, 30357680, 31826600, 37947100, 39171200, 39464984, 40738048, 48572288, 49331230, 50922560, 60715360, 63653200, 75894200, 78342400, 78929968, 97144576, 98662460, 101845120, 121430720, 123328075, 127306400, 151788400, 157859936, 197324920, 203690240, 242861440, 246656150, 254612800, 303576800, 315719872, 394649840, 485722880, 493312300, 509225600, 607153600, 631439744, 789299680, 986624600, 1018451200, 1214307200, 1262879488, 1578599360, 1973249200, 2428614400, 3157198720, 3946498400, 6314397440, 7892996800, 15785993600, 31571987200]

約数ペア:

[(1, 31571987200), (2, 15785993600), (4, 7892996800), (5, 6314397440), (8, 3946498400), (10, 3157198720), (13, 2428614400), (16, 1973249200), (20, 1578599360), (25, 1262879488), (26, 1214307200), (31, 1018451200), (32, 986624600), (40, 789299680), (50, 631439744), (52, 607153600), (62, 509225600), (64, 493312300), (65, 485722880), (80, 394649840), (100, 315719872), (104, 303576800), (124, 254612800), (128, 246656150), (130, 242861440), (155, 203690240), (160, 197324920), (200, 157859936), (208, 151788400), (248, 127306400), (256, 123328075), (260, 121430720), (310, 101845120), (320, 98662460), (325, 97144576), (400, 78929968), (403, 78342400), (416, 75894200), (496, 63653200), (520, 60715360), (620, 50922560), (640, 49331230), (650, 48572288), (775, 40738048), (800, 39464984), (806, 39171200), (832, 37947100), (992, 31826600), (1040, 30357680), (1240, 25461280), (1280, 24665615), (1300, 24286144), (1550, 20369024), (1600, 19732492), (1612, 19585600), (1664, 18973550), (1984, 15913300), (2015, 15668480), (2080, 15178840), (2480, 12730640), (2600, 12143072), (3100, 10184512), (3200, 9866246), (3224, 9792800), (3328, 9486775), (3968, 7956650), (4030, 7834240), (4160, 7589420), (4960, 6365320), (5200, 6071536), (6200, 5092256), (6400, 4933123), (6448, 4896400), (7936, 3978325), (8060, 3917120), (8320, 3794710), (9920, 3182660), (10075, 3133696), (10400, 3035768), (12241, 2579200), (12400, 2546128), (12896, 2448200), (16120, 1958560), (16640, 1897355), (19840, 1591330), (20150, 1566848), (20800, 1517884), (24482, 1289600), (24800, 1273064), (25792, 1224100), (32240, 979280), (39680, 795665), (40300, 783424), (41600, 758942), (48964, 644800), (49600, 636532), (51584, 612050), (61205, 515840), (64480, 489640), (80600, 391712), (83200, 379471), (97928, 322400), (99200, 318266), (103168, 306025), (122410, 257920), (128960, 244820), (159133, 198400), (161200, 195856)]