1805132840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1697}}^1$

素因数の和:1875

約数の個数: 128

約数和(自身を含む): 4841337600

約数和(自身を除く): 3036204760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 131, 140, 145, 203, 232, 262, 280, 290, 406, 524, 580, 655, 812, 917, 1015, 1048, 1160, 1310, 1624, 1697, 1834, 2030, 2620, 3394, 3668, 3799, 4060, 4585, 5240, 6788, 7336, 7598, 8120, 8485, 9170, 11879, 13576, 15196, 16970, 18340, 18995, 23758, 26593, 30392, 33940, 36680, 37990, 47516, 49213, 53186, 59395, 67880, 75980, 95032, 98426, 106372, 118790, 132965, 151960, 196852, 212744, 222307, 237580, 246065, 265930, 344491, 393704, 444614, 475160, 492130, 531860, 688982, 889228, 984260, 1063720, 1111535, 1377964, 1556149, 1722455, 1778456, 1968520, 2223070, 2755928, 3112298, 3444910, 4446140, 6224596, 6446903, 6889820, 7780745, 8892280, 12449192, 12893806, 13779640, 15561490, 25787612, 31122980, 32234515, 45128321, 51575224, 62245960, 64469030, 90256642, 128938060, 180513284, 225641605, 257876120, 361026568, 451283210, 902566420, 1805132840]

約数ペア:

[(1, 1805132840), (2, 902566420), (4, 451283210), (5, 361026568), (7, 257876120), (8, 225641605), (10, 180513284), (14, 128938060), (20, 90256642), (28, 64469030), (29, 62245960), (35, 51575224), (40, 45128321), (56, 32234515), (58, 31122980), (70, 25787612), (116, 15561490), (131, 13779640), (140, 12893806), (145, 12449192), (203, 8892280), (232, 7780745), (262, 6889820), (280, 6446903), (290, 6224596), (406, 4446140), (524, 3444910), (580, 3112298), (655, 2755928), (812, 2223070), (917, 1968520), (1015, 1778456), (1048, 1722455), (1160, 1556149), (1310, 1377964), (1624, 1111535), (1697, 1063720), (1834, 984260), (2030, 889228), (2620, 688982), (3394, 531860), (3668, 492130), (3799, 475160), (4060, 444614), (4585, 393704), (5240, 344491), (6788, 265930), (7336, 246065), (7598, 237580), (8120, 222307), (8485, 212744), (9170, 196852), (11879, 151960), (13576, 132965), (15196, 118790), (16970, 106372), (18340, 98426), (18995, 95032), (23758, 75980), (26593, 67880), (30392, 59395), (33940, 53186), (36680, 49213), (37990, 47516)]