31647540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 104509440

約数和(自身を除く): 72861900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 23, 30, 34, 38, 46, 51, 57, 60, 68, 69, 71, 76, 85, 92, 95, 102, 114, 115, 138, 142, 170, 190, 204, 213, 228, 230, 255, 276, 284, 285, 323, 340, 345, 355, 380, 391, 426, 437, 460, 510, 570, 646, 690, 710, 782, 852, 874, 969, 1020, 1065, 1140, 1173, 1207, 1292, 1311, 1349, 1380, 1420, 1564, 1615, 1633, 1748, 1938, 1955, 2130, 2185, 2346, 2414, 2622, 2698, 3230, 3266, 3621, 3876, 3910, 4047, 4260, 4370, 4692, 4828, 4845, 4899, 5244, 5396, 5865, 6035, 6460, 6532, 6555, 6745, 7242, 7429, 7820, 8094, 8165, 8740, 9690, 9798, 11730, 12070, 13110, 13490, 14484, 14858, 16188, 16330, 18105, 19380, 19596, 20235, 22287, 22933, 23460, 24140, 24495, 26220, 26980, 27761, 29716, 31027, 32660, 36210, 37145, 40470, 44574, 45866, 48990, 55522, 62054, 68799, 72420, 74290, 80940, 83283, 89148, 91732, 93081, 97980, 111044, 111435, 114665, 124108, 137598, 138805, 148580, 155135, 166566, 186162, 222870, 229330, 275196, 277610, 310270, 333132, 343995, 372324, 416415, 445740, 458660, 465405, 527459, 555220, 620540, 687990, 832830, 930810, 1054918, 1375980, 1582377, 1665660, 1861620, 2109836, 2637295, 3164754, 5274590, 6329508, 7911885, 10549180, 15823770, 31647540]

約数ペア:

[(1, 31647540), (2, 15823770), (3, 10549180), (4, 7911885), (5, 6329508), (6, 5274590), (10, 3164754), (12, 2637295), (15, 2109836), (17, 1861620), (19, 1665660), (20, 1582377), (23, 1375980), (30, 1054918), (34, 930810), (38, 832830), (46, 687990), (51, 620540), (57, 555220), (60, 527459), (68, 465405), (69, 458660), (71, 445740), (76, 416415), (85, 372324), (92, 343995), (95, 333132), (102, 310270), (114, 277610), (115, 275196), (138, 229330), (142, 222870), (170, 186162), (190, 166566), (204, 155135), (213, 148580), (228, 138805), (230, 137598), (255, 124108), (276, 114665), (284, 111435), (285, 111044), (323, 97980), (340, 93081), (345, 91732), (355, 89148), (380, 83283), (391, 80940), (426, 74290), (437, 72420), (460, 68799), (510, 62054), (570, 55522), (646, 48990), (690, 45866), (710, 44574), (782, 40470), (852, 37145), (874, 36210), (969, 32660), (1020, 31027), (1065, 29716), (1140, 27761), (1173, 26980), (1207, 26220), (1292, 24495), (1311, 24140), (1349, 23460), (1380, 22933), (1420, 22287), (1564, 20235), (1615, 19596), (1633, 19380), (1748, 18105), (1938, 16330), (1955, 16188), (2130, 14858), (2185, 14484), (2346, 13490), (2414, 13110), (2622, 12070), (2698, 11730), (3230, 9798), (3266, 9690), (3621, 8740), (3876, 8165), (3910, 8094), (4047, 7820), (4260, 7429), (4370, 7242), (4692, 6745), (4828, 6555), (4845, 6532), (4899, 6460), (5244, 6035), (5396, 5865)]