21756554880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{883}}^1$

素因数の和:1259

約数の個数: 256

約数和(自身を含む): 71348135040

約数和(自身を除く): 49591580160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 313, 320, 328, 384, 410, 480, 492, 615, 626, 640, 656, 820, 883, 939, 960, 984, 1230, 1252, 1312, 1565, 1640, 1766, 1878, 1920, 1968, 2460, 2504, 2624, 2649, 3130, 3280, 3532, 3756, 3936, 4415, 4695, 4920, 5008, 5248, 5298, 6260, 6560, 7064, 7512, 7872, 8830, 9390, 9840, 10016, 10596, 12520, 12833, 13120, 13245, 14128, 15024, 15744, 17660, 18780, 19680, 20032, 21192, 25040, 25666, 26240, 26490, 28256, 30048, 35320, 36203, 37560, 38499, 39360, 40064, 42384, 50080, 51332, 52980, 56512, 60096, 64165, 70640, 72406, 75120, 76998, 78720, 84768, 100160, 102664, 105960, 108609, 113024, 120192, 128330, 141280, 144812, 150240, 153996, 169536, 181015, 192495, 200320, 205328, 211920, 217218, 256660, 276379, 282560, 289624, 300480, 307992, 339072, 362030, 384990, 410656, 423840, 434436, 513320, 543045, 552758, 565120, 579248, 600960, 615984, 724060, 769980, 821312, 829137, 847680, 868872, 1026640, 1086090, 1105516, 1158496, 1231968, 1381895, 1448120, 1539960, 1642624, 1658274, 1695360, 1737744, 2053280, 2172180, 2211032, 2316992, 2463936, 2763790, 2896240, 3079920, 3316548, 3475488, 4106560, 4145685, 4344360, 4422064, 4633984, 4927872, 5527580, 5792480, 6159840, 6633096, 6950976, 8213120, 8291370, 8688720, 8844128, 11055160, 11331539, 11584960, 12319680, 13266192, 13901952, 16582740, 17377440, 17688256, 22110320, 22663078, 23169920, 24639360, 26532384, 33165480, 33994617, 34754880, 35376512, 44220640, 45326156, 53064768, 56657695, 66330960, 67989234, 69509760, 88441280, 90652312, 106129536, 113315390, 132661920, 135978468, 169973085, 176882560, 181304624, 226630780, 265323840, 271956936, 339946170, 362609248, 453261560, 530647680, 543913872, 679892340, 725218496, 906523120, 1087827744, 1359784680, 1450436992, 1813046240, 2175655488, 2719569360, 3626092480, 4351310976, 5439138720, 7252184960, 10878277440, 21756554880]

約数ペア:

[(1, 21756554880), (2, 10878277440), (3, 7252184960), (4, 5439138720), (5, 4351310976), (6, 3626092480), (8, 2719569360), (10, 2175655488), (12, 1813046240), (15, 1450436992), (16, 1359784680), (20, 1087827744), (24, 906523120), (30, 725218496), (32, 679892340), (40, 543913872), (41, 530647680), (48, 453261560), (60, 362609248), (64, 339946170), (80, 271956936), (82, 265323840), (96, 226630780), (120, 181304624), (123, 176882560), (128, 169973085), (160, 135978468), (164, 132661920), (192, 113315390), (205, 106129536), (240, 90652312), (246, 88441280), (313, 69509760), (320, 67989234), (328, 66330960), (384, 56657695), (410, 53064768), (480, 45326156), (492, 44220640), (615, 35376512), (626, 34754880), (640, 33994617), (656, 33165480), (820, 26532384), (883, 24639360), (939, 23169920), (960, 22663078), (984, 22110320), (1230, 17688256), (1252, 17377440), (1312, 16582740), (1565, 13901952), (1640, 13266192), (1766, 12319680), (1878, 11584960), (1920, 11331539), (1968, 11055160), (2460, 8844128), (2504, 8688720), (2624, 8291370), (2649, 8213120), (3130, 6950976), (3280, 6633096), (3532, 6159840), (3756, 5792480), (3936, 5527580), (4415, 4927872), (4695, 4633984), (4920, 4422064), (5008, 4344360), (5248, 4145685), (5298, 4106560), (6260, 3475488), (6560, 3316548), (7064, 3079920), (7512, 2896240), (7872, 2763790), (8830, 2463936), (9390, 2316992), (9840, 2211032), (10016, 2172180), (10596, 2053280), (12520, 1737744), (12833, 1695360), (13120, 1658274), (13245, 1642624), (14128, 1539960), (15024, 1448120), (15744, 1381895), (17660, 1231968), (18780, 1158496), (19680, 1105516), (20032, 1086090), (21192, 1026640), (25040, 868872), (25666, 847680), (26240, 829137), (26490, 821312), (28256, 769980), (30048, 724060), (35320, 615984), (36203, 600960), (37560, 579248), (38499, 565120), (39360, 552758), (40064, 543045), (42384, 513320), (50080, 434436), (51332, 423840), (52980, 410656), (56512, 384990), (60096, 362030), (64165, 339072), (70640, 307992), (72406, 300480), (75120, 289624), (76998, 282560), (78720, 276379), (84768, 256660), (100160, 217218), (102664, 211920), (105960, 205328), (108609, 200320), (113024, 192495), (120192, 181015), (128330, 169536), (141280, 153996), (144812, 150240)]