121405920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 192

約数和(自身を含む): 406425600

約数和(自身を除く): 285019680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 41, 48, 60, 62, 80, 82, 93, 96, 120, 123, 124, 155, 160, 164, 186, 199, 205, 240, 246, 248, 310, 328, 372, 398, 410, 465, 480, 492, 496, 597, 615, 620, 656, 744, 796, 820, 930, 984, 992, 995, 1194, 1230, 1240, 1271, 1312, 1488, 1592, 1640, 1860, 1968, 1990, 2388, 2460, 2480, 2542, 2976, 2985, 3184, 3280, 3720, 3813, 3936, 3980, 4776, 4920, 4960, 5084, 5970, 6169, 6355, 6368, 6560, 7440, 7626, 7960, 8159, 9552, 9840, 10168, 11940, 12338, 12710, 14880, 15252, 15920, 16318, 18507, 19065, 19104, 19680, 20336, 23880, 24477, 24676, 25420, 30504, 30845, 31840, 32636, 37014, 38130, 40672, 40795, 47760, 48954, 49352, 50840, 61008, 61690, 65272, 74028, 76260, 81590, 92535, 95520, 97908, 98704, 101680, 122016, 122385, 123380, 130544, 148056, 152520, 163180, 185070, 195816, 197408, 203360, 244770, 246760, 252929, 261088, 296112, 305040, 326360, 370140, 391632, 489540, 493520, 505858, 592224, 610080, 652720, 740280, 758787, 783264, 979080, 987040, 1011716, 1264645, 1305440, 1480560, 1517574, 1958160, 2023432, 2529290, 2961120, 3035148, 3793935, 3916320, 4046864, 5058580, 6070296, 7587870, 8093728, 10117160, 12140592, 15175740, 20234320, 24281184, 30351480, 40468640, 60702960, 121405920]

約数ペア:

[(1, 121405920), (2, 60702960), (3, 40468640), (4, 30351480), (5, 24281184), (6, 20234320), (8, 15175740), (10, 12140592), (12, 10117160), (15, 8093728), (16, 7587870), (20, 6070296), (24, 5058580), (30, 4046864), (31, 3916320), (32, 3793935), (40, 3035148), (41, 2961120), (48, 2529290), (60, 2023432), (62, 1958160), (80, 1517574), (82, 1480560), (93, 1305440), (96, 1264645), (120, 1011716), (123, 987040), (124, 979080), (155, 783264), (160, 758787), (164, 740280), (186, 652720), (199, 610080), (205, 592224), (240, 505858), (246, 493520), (248, 489540), (310, 391632), (328, 370140), (372, 326360), (398, 305040), (410, 296112), (465, 261088), (480, 252929), (492, 246760), (496, 244770), (597, 203360), (615, 197408), (620, 195816), (656, 185070), (744, 163180), (796, 152520), (820, 148056), (930, 130544), (984, 123380), (992, 122385), (995, 122016), (1194, 101680), (1230, 98704), (1240, 97908), (1271, 95520), (1312, 92535), (1488, 81590), (1592, 76260), (1640, 74028), (1860, 65272), (1968, 61690), (1990, 61008), (2388, 50840), (2460, 49352), (2480, 48954), (2542, 47760), (2976, 40795), (2985, 40672), (3184, 38130), (3280, 37014), (3720, 32636), (3813, 31840), (3936, 30845), (3980, 30504), (4776, 25420), (4920, 24676), (4960, 24477), (5084, 23880), (5970, 20336), (6169, 19680), (6355, 19104), (6368, 19065), (6560, 18507), (7440, 16318), (7626, 15920), (7960, 15252), (8159, 14880), (9552, 12710), (9840, 12338), (10168, 11940)]