642547920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10337}}^1$

素因数の和:10397

約数の個数: 160

約数和(自身を含む): 2338207488

約数和(自身を除く): 1695659568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 259, 280, 296, 336, 370, 420, 444, 518, 555, 560, 592, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 1680, 1776, 2072, 2220, 2590, 2960, 3108, 3885, 4144, 4440, 5180, 6216, 7770, 8880, 10337, 10360, 12432, 15540, 20674, 20720, 31011, 31080, 41348, 51685, 62022, 62160, 72359, 82696, 103370, 124044, 144718, 155055, 165392, 206740, 217077, 248088, 289436, 310110, 361795, 382469, 413480, 434154, 496176, 578872, 620220, 723590, 764938, 826960, 868308, 1085385, 1147407, 1157744, 1240440, 1447180, 1529876, 1736616, 1912345, 2170770, 2294814, 2480880, 2677283, 2894360, 3059752, 3473232, 3824690, 4341540, 4589628, 5354566, 5737035, 5788720, 6119504, 7649380, 8031849, 8683080, 9179256, 10709132, 11474070, 13386415, 15298760, 16063698, 17366160, 18358512, 21418264, 22948140, 26772830, 30597520, 32127396, 40159245, 42836528, 45896280, 53545660, 64254792, 80318490, 91792560, 107091320, 128509584, 160636980, 214182640, 321273960, 642547920]

約数ペア:

[(1, 642547920), (2, 321273960), (3, 214182640), (4, 160636980), (5, 128509584), (6, 107091320), (7, 91792560), (8, 80318490), (10, 64254792), (12, 53545660), (14, 45896280), (15, 42836528), (16, 40159245), (20, 32127396), (21, 30597520), (24, 26772830), (28, 22948140), (30, 21418264), (35, 18358512), (37, 17366160), (40, 16063698), (42, 15298760), (48, 13386415), (56, 11474070), (60, 10709132), (70, 9179256), (74, 8683080), (80, 8031849), (84, 7649380), (105, 6119504), (111, 5788720), (112, 5737035), (120, 5354566), (140, 4589628), (148, 4341540), (168, 3824690), (185, 3473232), (210, 3059752), (222, 2894360), (240, 2677283), (259, 2480880), (280, 2294814), (296, 2170770), (336, 1912345), (370, 1736616), (420, 1529876), (444, 1447180), (518, 1240440), (555, 1157744), (560, 1147407), (592, 1085385), (740, 868308), (777, 826960), (840, 764938), (888, 723590), (1036, 620220), (1110, 578872), (1295, 496176), (1480, 434154), (1554, 413480), (1680, 382469), (1776, 361795), (2072, 310110), (2220, 289436), (2590, 248088), (2960, 217077), (3108, 206740), (3885, 165392), (4144, 155055), (4440, 144718), (5180, 124044), (6216, 103370), (7770, 82696), (8880, 72359), (10337, 62160), (10360, 62022), (12432, 51685), (15540, 41348), (20674, 31080), (20720, 31011)]