487726720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 1318743720

約数和(自身を除く): 831017000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 61, 62, 64, 65, 80, 104, 122, 124, 128, 130, 155, 160, 208, 244, 248, 260, 305, 310, 320, 403, 416, 488, 496, 520, 610, 620, 640, 793, 806, 832, 961, 976, 992, 1040, 1220, 1240, 1586, 1612, 1664, 1891, 1922, 1952, 1984, 2015, 2080, 2440, 2480, 3172, 3224, 3782, 3844, 3904, 3965, 3968, 4030, 4160, 4805, 4880, 4960, 6344, 6448, 7564, 7688, 7808, 7930, 8060, 8320, 9455, 9610, 9760, 9920, 12493, 12688, 12896, 15128, 15376, 15860, 16120, 18910, 19220, 19520, 19840, 24583, 24986, 25376, 25792, 30256, 30752, 31720, 32240, 37820, 38440, 39040, 49166, 49972, 50752, 51584, 58621, 60512, 61504, 62465, 63440, 64480, 75640, 76880, 98332, 99944, 101504, 117242, 121024, 122915, 123008, 124930, 126880, 128960, 151280, 153760, 196664, 199888, 234484, 242048, 245830, 249860, 253760, 257920, 293105, 302560, 307520, 393328, 399776, 468968, 491660, 499720, 507520, 586210, 605120, 615040, 762073, 786656, 799552, 937936, 983320, 999440, 1172420, 1210240, 1524146, 1573312, 1599104, 1875872, 1966640, 1998880, 2344840, 3048292, 3146624, 3751744, 3810365, 3933280, 3997760, 4689680, 6096584, 7503488, 7620730, 7866560, 7995520, 9379360, 12193168, 15241460, 15733120, 18758720, 24386336, 30482920, 37517440, 48772672, 60965840, 97545344, 121931680, 243863360, 487726720]

約数ペア:

[(1, 487726720), (2, 243863360), (4, 121931680), (5, 97545344), (8, 60965840), (10, 48772672), (13, 37517440), (16, 30482920), (20, 24386336), (26, 18758720), (31, 15733120), (32, 15241460), (40, 12193168), (52, 9379360), (61, 7995520), (62, 7866560), (64, 7620730), (65, 7503488), (80, 6096584), (104, 4689680), (122, 3997760), (124, 3933280), (128, 3810365), (130, 3751744), (155, 3146624), (160, 3048292), (208, 2344840), (244, 1998880), (248, 1966640), (260, 1875872), (305, 1599104), (310, 1573312), (320, 1524146), (403, 1210240), (416, 1172420), (488, 999440), (496, 983320), (520, 937936), (610, 799552), (620, 786656), (640, 762073), (793, 615040), (806, 605120), (832, 586210), (961, 507520), (976, 499720), (992, 491660), (1040, 468968), (1220, 399776), (1240, 393328), (1586, 307520), (1612, 302560), (1664, 293105), (1891, 257920), (1922, 253760), (1952, 249860), (1984, 245830), (2015, 242048), (2080, 234484), (2440, 199888), (2480, 196664), (3172, 153760), (3224, 151280), (3782, 128960), (3844, 126880), (3904, 124930), (3965, 123008), (3968, 122915), (4030, 121024), (4160, 117242), (4805, 101504), (4880, 99944), (4960, 98332), (6344, 76880), (6448, 75640), (7564, 64480), (7688, 63440), (7808, 62465), (7930, 61504), (8060, 60512), (8320, 58621), (9455, 51584), (9610, 50752), (9760, 49972), (9920, 49166), (12493, 39040), (12688, 38440), (12896, 37820), (15128, 32240), (15376, 31720), (15860, 30752), (16120, 30256), (18910, 25792), (19220, 25376), (19520, 24986), (19840, 24583)]