1720200420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{877}}^1$

素因数の和:1550

約数の個数: 144

約数和(自身を含む): 5539807728

約数和(自身を除く): 3819607308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 641, 765, 877, 1020, 1282, 1530, 1754, 1923, 2564, 2631, 3060, 3205, 3508, 3846, 4385, 5262, 5769, 6410, 7692, 7893, 8770, 9615, 10524, 10897, 11538, 12820, 13155, 14909, 15786, 17540, 19230, 21794, 23076, 26310, 28845, 29818, 31572, 32691, 38460, 39465, 43588, 44727, 52620, 54485, 57690, 59636, 65382, 74545, 78930, 89454, 98073, 108970, 115380, 130764, 134181, 149090, 157860, 163455, 178908, 196146, 217940, 223635, 268362, 298180, 326910, 392292, 447270, 490365, 536724, 562157, 653820, 670905, 894540, 980730, 1124314, 1341810, 1686471, 1961460, 2248628, 2683620, 2810785, 3372942, 5059413, 5621570, 6745884, 8432355, 9556669, 10118826, 11243140, 16864710, 19113338, 20237652, 25297065, 28670007, 33729420, 38226676, 47783345, 50594130, 57340014, 86010021, 95566690, 101188260, 114680028, 143350035, 172020042, 191133380, 286700070, 344040084, 430050105, 573400140, 860100210, 1720200420]

約数ペア:

[(1, 1720200420), (2, 860100210), (3, 573400140), (4, 430050105), (5, 344040084), (6, 286700070), (9, 191133380), (10, 172020042), (12, 143350035), (15, 114680028), (17, 101188260), (18, 95566690), (20, 86010021), (30, 57340014), (34, 50594130), (36, 47783345), (45, 38226676), (51, 33729420), (60, 28670007), (68, 25297065), (85, 20237652), (90, 19113338), (102, 16864710), (153, 11243140), (170, 10118826), (180, 9556669), (204, 8432355), (255, 6745884), (306, 5621570), (340, 5059413), (510, 3372942), (612, 2810785), (641, 2683620), (765, 2248628), (877, 1961460), (1020, 1686471), (1282, 1341810), (1530, 1124314), (1754, 980730), (1923, 894540), (2564, 670905), (2631, 653820), (3060, 562157), (3205, 536724), (3508, 490365), (3846, 447270), (4385, 392292), (5262, 326910), (5769, 298180), (6410, 268362), (7692, 223635), (7893, 217940), (8770, 196146), (9615, 178908), (10524, 163455), (10897, 157860), (11538, 149090), (12820, 134181), (13155, 130764), (14909, 115380), (15786, 108970), (17540, 98073), (19230, 89454), (21794, 78930), (23076, 74545), (26310, 65382), (28845, 59636), (29818, 57690), (31572, 54485), (32691, 52620), (38460, 44727), (39465, 43588)]