19777151200

素因数分解:

$2^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{5261}}^1$

素因数の和:5445

約数の個数: 144

約数和(自身を含む): 49985800704

約数和(自身を除く): 30208649504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 74, 80, 100, 127, 148, 160, 185, 200, 254, 296, 370, 400, 508, 592, 635, 740, 800, 925, 1016, 1184, 1270, 1480, 1850, 2032, 2540, 2960, 3175, 3700, 4064, 4699, 5080, 5261, 5920, 6350, 7400, 9398, 10160, 10522, 12700, 14800, 18796, 20320, 21044, 23495, 25400, 26305, 29600, 37592, 42088, 46990, 50800, 52610, 75184, 84176, 93980, 101600, 105220, 117475, 131525, 150368, 168352, 187960, 194657, 210440, 234950, 263050, 375920, 389314, 420880, 469900, 526100, 668147, 751840, 778628, 841760, 939800, 973285, 1052200, 1336294, 1557256, 1879600, 1946570, 2104400, 2672588, 3114512, 3340735, 3759200, 3893140, 4208800, 4866425, 5345176, 6229024, 6681470, 7786280, 9732850, 10690352, 13362940, 15572560, 16703675, 19465700, 21380704, 24721439, 26725880, 31145120, 33407350, 38931400, 49442878, 53451760, 66814700, 77862800, 98885756, 106903520, 123607195, 133629400, 155725600, 197771512, 247214390, 267258800, 395543024, 494428780, 534517600, 618035975, 791086048, 988857560, 1236071950, 1977715120, 2472143900, 3955430240, 4944287800, 9888575600, 19777151200]

約数ペア:

[(1, 19777151200), (2, 9888575600), (4, 4944287800), (5, 3955430240), (8, 2472143900), (10, 1977715120), (16, 1236071950), (20, 988857560), (25, 791086048), (32, 618035975), (37, 534517600), (40, 494428780), (50, 395543024), (74, 267258800), (80, 247214390), (100, 197771512), (127, 155725600), (148, 133629400), (160, 123607195), (185, 106903520), (200, 98885756), (254, 77862800), (296, 66814700), (370, 53451760), (400, 49442878), (508, 38931400), (592, 33407350), (635, 31145120), (740, 26725880), (800, 24721439), (925, 21380704), (1016, 19465700), (1184, 16703675), (1270, 15572560), (1480, 13362940), (1850, 10690352), (2032, 9732850), (2540, 7786280), (2960, 6681470), (3175, 6229024), (3700, 5345176), (4064, 4866425), (4699, 4208800), (5080, 3893140), (5261, 3759200), (5920, 3340735), (6350, 3114512), (7400, 2672588), (9398, 2104400), (10160, 1946570), (10522, 1879600), (12700, 1557256), (14800, 1336294), (18796, 1052200), (20320, 973285), (21044, 939800), (23495, 841760), (25400, 778628), (26305, 751840), (29600, 668147), (37592, 526100), (42088, 469900), (46990, 420880), (50800, 389314), (52610, 375920), (75184, 263050), (84176, 234950), (93980, 210440), (101600, 194657), (105220, 187960), (117475, 168352), (131525, 150368)]