159910400

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:103

約数の個数: 180

約数和(自身を含む): 440874126

約数和(自身を除く): 280963726

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, 512, 520, 620, 640, 650, 775, 800, 806, 832, 961, 992, 1040, 1240, 1280, 1300, 1550, 1600, 1612, 1664, 1922, 1984, 2015, 2080, 2480, 2560, 2600, 3100, 3200, 3224, 3328, 3844, 3968, 4030, 4160, 4805, 4960, 5200, 6200, 6400, 6448, 6656, 7688, 7936, 8060, 8320, 9610, 9920, 10075, 10400, 12400, 12493, 12800, 12896, 15376, 15872, 16120, 16640, 19220, 19840, 20150, 20800, 24025, 24800, 24986, 25792, 30752, 32240, 33280, 38440, 39680, 40300, 41600, 48050, 49600, 49972, 51584, 61504, 62465, 64480, 76880, 79360, 80600, 83200, 96100, 99200, 99944, 103168, 123008, 124930, 128960, 153760, 161200, 166400, 192200, 198400, 199888, 206336, 246016, 249860, 257920, 307520, 312325, 322400, 384400, 396800, 399776, 492032, 499720, 515840, 615040, 624650, 644800, 768800, 799552, 999440, 1031680, 1230080, 1249300, 1289600, 1537600, 1599104, 1998880, 2460160, 2498600, 2579200, 3075200, 3198208, 3997760, 4997200, 5158400, 6150400, 6396416, 7995520, 9994400, 12300800, 15991040, 19988800, 31982080, 39977600, 79955200, 159910400]

約数ペア:

[(1, 159910400), (2, 79955200), (4, 39977600), (5, 31982080), (8, 19988800), (10, 15991040), (13, 12300800), (16, 9994400), (20, 7995520), (25, 6396416), (26, 6150400), (31, 5158400), (32, 4997200), (40, 3997760), (50, 3198208), (52, 3075200), (62, 2579200), (64, 2498600), (65, 2460160), (80, 1998880), (100, 1599104), (104, 1537600), (124, 1289600), (128, 1249300), (130, 1230080), (155, 1031680), (160, 999440), (200, 799552), (208, 768800), (248, 644800), (256, 624650), (260, 615040), (310, 515840), (320, 499720), (325, 492032), (400, 399776), (403, 396800), (416, 384400), (496, 322400), (512, 312325), (520, 307520), (620, 257920), (640, 249860), (650, 246016), (775, 206336), (800, 199888), (806, 198400), (832, 192200), (961, 166400), (992, 161200), (1040, 153760), (1240, 128960), (1280, 124930), (1300, 123008), (1550, 103168), (1600, 99944), (1612, 99200), (1664, 96100), (1922, 83200), (1984, 80600), (2015, 79360), (2080, 76880), (2480, 64480), (2560, 62465), (2600, 61504), (3100, 51584), (3200, 49972), (3224, 49600), (3328, 48050), (3844, 41600), (3968, 40300), (4030, 39680), (4160, 38440), (4805, 33280), (4960, 32240), (5200, 30752), (6200, 25792), (6400, 24986), (6448, 24800), (6656, 24025), (7688, 20800), (7936, 20150), (8060, 19840), (8320, 19220), (9610, 16640), (9920, 16120), (10075, 15872), (10400, 15376), (12400, 12896), (12493, 12800)]