20404458480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{6131}}^1$

素因数の和:6444

約数の個数: 240

約数和(自身を含む): 73853023104

約数和(自身を除く): 53448564624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 283, 294, 336, 392, 420, 490, 560, 566, 588, 735, 784, 840, 849, 980, 1132, 1176, 1415, 1470, 1680, 1698, 1960, 1981, 2264, 2352, 2830, 2940, 3396, 3920, 3962, 4245, 4528, 5660, 5880, 5943, 6131, 6792, 7924, 8490, 9905, 11320, 11760, 11886, 12262, 13584, 13867, 15848, 16980, 18393, 19810, 22640, 23772, 24524, 27734, 29715, 30655, 31696, 33960, 36786, 39620, 41601, 42917, 47544, 49048, 55468, 59430, 61310, 67920, 69335, 73572, 79240, 83202, 85834, 91965, 95088, 98096, 110936, 118860, 122620, 128751, 138670, 147144, 158480, 166404, 171668, 183930, 208005, 214585, 221872, 237720, 245240, 257502, 277340, 294288, 300419, 332808, 343336, 367860, 416010, 429170, 475440, 490480, 515004, 554680, 600838, 643755, 665616, 686672, 735720, 832020, 858340, 901257, 1030008, 1109360, 1201676, 1287510, 1471440, 1502095, 1664040, 1716680, 1735073, 1802514, 2060016, 2403352, 2575020, 3004190, 3328080, 3433360, 3470146, 3605028, 4506285, 4806704, 5150040, 5205219, 6008380, 6940292, 7210056, 8675365, 9012570, 10300080, 10410438, 12016760, 12145511, 13880584, 14420112, 17350730, 18025140, 20820876, 24033520, 24291022, 26026095, 27761168, 34701460, 36050280, 36436533, 41641752, 48582044, 52052190, 60727555, 69402920, 72100560, 72873066, 83283504, 85018577, 97164088, 104104380, 121455110, 138805840, 145746132, 170037154, 182182665, 194328176, 208208760, 242910220, 255055731, 291492264, 340074308, 364365330, 416417520, 425092885, 485820440, 510111462, 582984528, 680148616, 728730660, 850185770, 971640880, 1020222924, 1275278655, 1360297232, 1457461320, 1700371540, 2040445848, 2550557310, 2914922640, 3400743080, 4080891696, 5101114620, 6801486160, 10202229240, 20404458480]

約数ペア:

[(1, 20404458480), (2, 10202229240), (3, 6801486160), (4, 5101114620), (5, 4080891696), (6, 3400743080), (7, 2914922640), (8, 2550557310), (10, 2040445848), (12, 1700371540), (14, 1457461320), (15, 1360297232), (16, 1275278655), (20, 1020222924), (21, 971640880), (24, 850185770), (28, 728730660), (30, 680148616), (35, 582984528), (40, 510111462), (42, 485820440), (48, 425092885), (49, 416417520), (56, 364365330), (60, 340074308), (70, 291492264), (80, 255055731), (84, 242910220), (98, 208208760), (105, 194328176), (112, 182182665), (120, 170037154), (140, 145746132), (147, 138805840), (168, 121455110), (196, 104104380), (210, 97164088), (240, 85018577), (245, 83283504), (280, 72873066), (283, 72100560), (294, 69402920), (336, 60727555), (392, 52052190), (420, 48582044), (490, 41641752), (560, 36436533), (566, 36050280), (588, 34701460), (735, 27761168), (784, 26026095), (840, 24291022), (849, 24033520), (980, 20820876), (1132, 18025140), (1176, 17350730), (1415, 14420112), (1470, 13880584), (1680, 12145511), (1698, 12016760), (1960, 10410438), (1981, 10300080), (2264, 9012570), (2352, 8675365), (2830, 7210056), (2940, 6940292), (3396, 6008380), (3920, 5205219), (3962, 5150040), (4245, 4806704), (4528, 4506285), (5660, 3605028), (5880, 3470146), (5943, 3433360), (6131, 3328080), (6792, 3004190), (7924, 2575020), (8490, 2403352), (9905, 2060016), (11320, 1802514), (11760, 1735073), (11886, 1716680), (12262, 1664040), (13584, 1502095), (13867, 1471440), (15848, 1287510), (16980, 1201676), (18393, 1109360), (19810, 1030008), (22640, 901257), (23772, 858340), (24524, 832020), (27734, 735720), (29715, 686672), (30655, 665616), (31696, 643755), (33960, 600838), (36786, 554680), (39620, 515004), (41601, 490480), (42917, 475440), (47544, 429170), (49048, 416010), (55468, 367860), (59430, 343336), (61310, 332808), (67920, 300419), (69335, 294288), (73572, 277340), (79240, 257502), (83202, 245240), (85834, 237720), (91965, 221872), (95088, 214585), (98096, 208005), (110936, 183930), (118860, 171668), (122620, 166404), (128751, 158480), (138670, 147144)]