30986980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 73156608

約数和(自身を除く): 42169628

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 41, 46, 53, 62, 82, 92, 106, 115, 124, 155, 164, 205, 212, 230, 265, 310, 410, 460, 530, 620, 713, 820, 943, 1060, 1219, 1271, 1426, 1643, 1886, 2173, 2438, 2542, 2852, 3286, 3565, 3772, 4346, 4715, 4876, 5084, 6095, 6355, 6572, 7130, 8215, 8692, 9430, 10865, 12190, 12710, 14260, 16430, 18860, 21730, 24380, 25420, 29233, 32860, 37789, 43460, 49979, 58466, 67363, 75578, 99958, 116932, 134726, 146165, 151156, 188945, 199916, 249895, 269452, 292330, 336815, 377890, 499790, 584660, 673630, 755780, 999580, 1347260, 1549349, 3098698, 6197396, 7746745, 15493490, 30986980]

約数ペア:

[(1, 30986980), (2, 15493490), (4, 7746745), (5, 6197396), (10, 3098698), (20, 1549349), (23, 1347260), (31, 999580), (41, 755780), (46, 673630), (53, 584660), (62, 499790), (82, 377890), (92, 336815), (106, 292330), (115, 269452), (124, 249895), (155, 199916), (164, 188945), (205, 151156), (212, 146165), (230, 134726), (265, 116932), (310, 99958), (410, 75578), (460, 67363), (530, 58466), (620, 49979), (713, 43460), (820, 37789), (943, 32860), (1060, 29233), (1219, 25420), (1271, 24380), (1426, 21730), (1643, 18860), (1886, 16430), (2173, 14260), (2438, 12710), (2542, 12190), (2852, 10865), (3286, 9430), (3565, 8692), (3772, 8215), (4346, 7130), (4715, 6572), (4876, 6355), (5084, 6095)]