221758560

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:339

約数の個数: 240

約数和(自身を含む): 796938912

約数和(自身を除く): 575180352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 71, 72, 80, 81, 90, 96, 108, 120, 135, 142, 144, 160, 162, 180, 213, 216, 240, 241, 270, 284, 288, 324, 355, 360, 405, 426, 432, 480, 482, 540, 568, 639, 648, 710, 720, 723, 810, 852, 864, 964, 1065, 1080, 1136, 1205, 1278, 1296, 1420, 1440, 1446, 1620, 1704, 1917, 1928, 2130, 2160, 2169, 2272, 2410, 2556, 2592, 2840, 2892, 3195, 3240, 3408, 3615, 3834, 3856, 4260, 4320, 4338, 4820, 5112, 5680, 5751, 5784, 6390, 6480, 6507, 6816, 7230, 7668, 7712, 8520, 8676, 9585, 9640, 10224, 10845, 11360, 11502, 11568, 12780, 12960, 13014, 14460, 15336, 17040, 17111, 17352, 19170, 19280, 19521, 20448, 21690, 23004, 23136, 25560, 26028, 28755, 28920, 30672, 32535, 34080, 34222, 34704, 38340, 38560, 39042, 43380, 46008, 51120, 51333, 52056, 57510, 57840, 61344, 65070, 68444, 69408, 76680, 78084, 85555, 86760, 92016, 97605, 102240, 102666, 104112, 115020, 115680, 130140, 136888, 153360, 153999, 156168, 171110, 173520, 184032, 195210, 205332, 208224, 230040, 256665, 260280, 273776, 306720, 307998, 312336, 342220, 347040, 390420, 410664, 460080, 461997, 513330, 520560, 547552, 615996, 624672, 684440, 769995, 780840, 821328, 920160, 923994, 1026660, 1041120, 1231992, 1368880, 1385991, 1539990, 1561680, 1642656, 1847988, 2053320, 2309985, 2463984, 2737760, 2771982, 3079980, 3123360, 3695976, 4106640, 4619970, 4927968, 5543964, 6159960, 6929955, 7391952, 8213280, 9239940, 11087928, 12319920, 13859910, 14783904, 18479880, 22175856, 24639840, 27719820, 36959760, 44351712, 55439640, 73919520, 110879280, 221758560]

約数ペア:

[(1, 221758560), (2, 110879280), (3, 73919520), (4, 55439640), (5, 44351712), (6, 36959760), (8, 27719820), (9, 24639840), (10, 22175856), (12, 18479880), (15, 14783904), (16, 13859910), (18, 12319920), (20, 11087928), (24, 9239940), (27, 8213280), (30, 7391952), (32, 6929955), (36, 6159960), (40, 5543964), (45, 4927968), (48, 4619970), (54, 4106640), (60, 3695976), (71, 3123360), (72, 3079980), (80, 2771982), (81, 2737760), (90, 2463984), (96, 2309985), (108, 2053320), (120, 1847988), (135, 1642656), (142, 1561680), (144, 1539990), (160, 1385991), (162, 1368880), (180, 1231992), (213, 1041120), (216, 1026660), (240, 923994), (241, 920160), (270, 821328), (284, 780840), (288, 769995), (324, 684440), (355, 624672), (360, 615996), (405, 547552), (426, 520560), (432, 513330), (480, 461997), (482, 460080), (540, 410664), (568, 390420), (639, 347040), (648, 342220), (710, 312336), (720, 307998), (723, 306720), (810, 273776), (852, 260280), (864, 256665), (964, 230040), (1065, 208224), (1080, 205332), (1136, 195210), (1205, 184032), (1278, 173520), (1296, 171110), (1420, 156168), (1440, 153999), (1446, 153360), (1620, 136888), (1704, 130140), (1917, 115680), (1928, 115020), (2130, 104112), (2160, 102666), (2169, 102240), (2272, 97605), (2410, 92016), (2556, 86760), (2592, 85555), (2840, 78084), (2892, 76680), (3195, 69408), (3240, 68444), (3408, 65070), (3615, 61344), (3834, 57840), (3856, 57510), (4260, 52056), (4320, 51333), (4338, 51120), (4820, 46008), (5112, 43380), (5680, 39042), (5751, 38560), (5784, 38340), (6390, 34704), (6480, 34222), (6507, 34080), (6816, 32535), (7230, 30672), (7668, 28920), (7712, 28755), (8520, 26028), (8676, 25560), (9585, 23136), (9640, 23004), (10224, 21690), (10845, 20448), (11360, 19521), (11502, 19280), (11568, 19170), (12780, 17352), (12960, 17111), (13014, 17040), (14460, 15336)]