15931020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:559

約数の個数: 96

約数和(自身を含む): 51706368

約数和(自身を除く): 35775348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 457, 498, 581, 830, 914, 996, 1162, 1245, 1371, 1660, 1743, 1828, 2285, 2324, 2490, 2742, 2905, 3199, 3486, 4570, 4980, 5484, 5810, 6398, 6855, 6972, 8715, 9140, 9597, 11620, 12796, 13710, 15995, 17430, 19194, 27420, 31990, 34860, 37931, 38388, 47985, 63980, 75862, 95970, 113793, 151724, 189655, 191940, 227586, 265517, 379310, 455172, 531034, 568965, 758620, 796551, 1062068, 1137930, 1327585, 1593102, 2275860, 2655170, 3186204, 3982755, 5310340, 7965510, 15931020]

約数ペア:

[(1, 15931020), (2, 7965510), (3, 5310340), (4, 3982755), (5, 3186204), (6, 2655170), (7, 2275860), (10, 1593102), (12, 1327585), (14, 1137930), (15, 1062068), (20, 796551), (21, 758620), (28, 568965), (30, 531034), (35, 455172), (42, 379310), (60, 265517), (70, 227586), (83, 191940), (84, 189655), (105, 151724), (140, 113793), (166, 95970), (210, 75862), (249, 63980), (332, 47985), (415, 38388), (420, 37931), (457, 34860), (498, 31990), (581, 27420), (830, 19194), (914, 17430), (996, 15995), (1162, 13710), (1245, 12796), (1371, 11620), (1660, 9597), (1743, 9140), (1828, 8715), (2285, 6972), (2324, 6855), (2490, 6398), (2742, 5810), (2905, 5484), (3199, 4980), (3486, 4570)]