23705820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 77995008

約数和(自身を除く): 54289188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 61, 68, 85, 90, 102, 122, 127, 153, 170, 180, 183, 204, 244, 254, 255, 305, 306, 340, 366, 381, 508, 510, 549, 610, 612, 635, 732, 762, 765, 915, 1020, 1037, 1098, 1143, 1220, 1270, 1524, 1530, 1830, 1905, 2074, 2159, 2196, 2286, 2540, 2745, 3060, 3111, 3660, 3810, 4148, 4318, 4572, 5185, 5490, 5715, 6222, 6477, 7620, 7747, 8636, 9333, 10370, 10795, 10980, 11430, 12444, 12954, 15494, 15555, 18666, 19431, 20740, 21590, 22860, 23241, 25908, 30988, 31110, 32385, 37332, 38735, 38862, 43180, 46482, 46665, 62220, 64770, 69723, 77470, 77724, 92964, 93330, 97155, 116205, 129540, 131699, 139446, 154940, 186660, 194310, 232410, 263398, 278892, 348615, 388620, 395097, 464820, 526796, 658495, 697230, 790194, 1185291, 1316990, 1394460, 1580388, 1975485, 2370582, 2633980, 3950970, 4741164, 5926455, 7901940, 11852910, 23705820]

約数ペア:

[(1, 23705820), (2, 11852910), (3, 7901940), (4, 5926455), (5, 4741164), (6, 3950970), (9, 2633980), (10, 2370582), (12, 1975485), (15, 1580388), (17, 1394460), (18, 1316990), (20, 1185291), (30, 790194), (34, 697230), (36, 658495), (45, 526796), (51, 464820), (60, 395097), (61, 388620), (68, 348615), (85, 278892), (90, 263398), (102, 232410), (122, 194310), (127, 186660), (153, 154940), (170, 139446), (180, 131699), (183, 129540), (204, 116205), (244, 97155), (254, 93330), (255, 92964), (305, 77724), (306, 77470), (340, 69723), (366, 64770), (381, 62220), (508, 46665), (510, 46482), (549, 43180), (610, 38862), (612, 38735), (635, 37332), (732, 32385), (762, 31110), (765, 30988), (915, 25908), (1020, 23241), (1037, 22860), (1098, 21590), (1143, 20740), (1220, 19431), (1270, 18666), (1524, 15555), (1530, 15494), (1830, 12954), (1905, 12444), (2074, 11430), (2159, 10980), (2196, 10795), (2286, 10370), (2540, 9333), (2745, 8636), (3060, 7747), (3111, 7620), (3660, 6477), (3810, 6222), (4148, 5715), (4318, 5490), (4572, 5185)]